Q: What is the sum of all factors of the number 4,220 excluding 4,220?
A: 4,684
The factors of the number 4,220 are: 1, 2, 4, 5, 10, 20, 211, 422, 844, 1055, 2110, 4220.
If you add them up, you will get the total of 4,224. Now subtract 4,220 to get 4,684