Q: What is the sum of all factors of the number 2,020 excluding 2,020?
A: 2,264
The factors of the number 2,020 are: 1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020.
If you add them up, you will get the total of 2,022. Now subtract 2,020 to get 2,264