Q: What is the sum of all factors of the number 420,020 excluding 420,020?
A: 462,064
The factors of the number 420,020 are: 1, 2, 4, 5, 10, 20, 21001, 42002, 84004, 105005, 210010, 420020.
If you add them up, you will get the total of 420,482. Now subtract 420,020 to get 462,064