Q: What is the sum of all factors of the number 20,451,520 excluding 20,451,520?
A: 28,926,080
The factors of the number 20,451,520 are: 1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 158, 160, 316, 320, 395, 632, 790, 809, 1264, 1580, 1618, 2528, 3160, 3236, 4045, 5056, 6320, 6472, 8090, 12640, 12944, 16180, 25280, 25888, 32360, 51776, 63911, 64720, 127822, 129440, 255644, 258880, 319555, 511288, 639110, 1022576, 1278220, 2045152, 2556440, 4090304, 5112880, 10225760, 20451520.
If you add them up, you will get the total of 20,451,548. Now subtract 20,451,520 to get 28,926,080