Q: What is the sum of all factors of the number 20,091 excluding 20,091?
A: 7,573
The factors of the number 20,091 are: 1, 3, 37, 111, 181, 543, 6697, 20091.
If you add them up, you will get the total of 20,098. Now subtract 20,091 to get 7,573