Q: What is the sum of all factors of the number 20,121 excluding 20,121?
A: 8,199
The factors of the number 20,121 are: 1, 3, 19, 57, 353, 1059, 6707, 20121.
If you add them up, you will get the total of 20,129. Now subtract 20,121 to get 8,199