Q: What is the sum of all factors of the number 20,905 excluding 20,905?
A: 5,087
The factors of the number 20,905 are: 1, 5, 37, 113, 185, 565, 4181, 20905.
If you add them up, you will get the total of 20,910. Now subtract 20,905 to get 5,087