Linux Babe published a tutorial about installing Google Chrome Browser on Ubuntu 20.04 from command line.
How to Install Google Chrome Browser on Ubuntu 20.04 From Command Line
This tutorial is going to show you how to install Google Chrome on Ubuntu 20.04 LTS Focal Fossa. The Ubuntu software app in 20.04 doesn’t support installing local deb packages anymore, so we have to use the command line to install deb packages. Personally I don’t think this is a good direction for Ubuntu.
How to Install Google Chrome Browser on Ubuntu 20.04 From Command Line