Q: What is the sum of all factors of the number 3,820 excluding 3,820?
A: 4,244
The factors of the number 3,820 are: 1, 2, 4, 5, 10, 20, 191, 382, 764, 955, 1910, 3820.
If you add them up, you will get the total of 3,824. Now subtract 3,820 to get 4,244