Q: What is the sum of all factors of the number 20,140 excluding 20,140?
A: 25,220
The factors of the number 20,140 are: 1, 2, 4, 5, 10, 19, 20, 38, 53, 76, 95, 106, 190, 212, 265, 380, 530, 1007, 1060, 2014, 4028, 5035, 10070, 20140.
If you add them up, you will get the total of 20,165. Now subtract 20,140 to get 25,220