Q: What is the sum of all factors of the number 139,820 excluding 139,820?
A: 153,844
The factors of the number 139,820 are: 1, 2, 4, 5, 10, 20, 6991, 13982, 27964, 34955, 69910, 139820.
If you add them up, you will get the total of 139,973. Now subtract 139,820 to get 153,844