Q: What is the sum of all factors of the number 20,421,765 excluding 20,421,765?
A: 23,153,403
The factors of the number 20,421,765 are: 1, 3, 5, 7, 9, 13, 15, 21, 35, 39, 45, 63, 65, 91, 105, 117, 195, 273, 315, 455, 585, 819, 1365, 4095, 4987, 14961, 24935, 34909, 44883, 64831, 74805, 104727, 174545, 194493, 224415, 314181, 324155, 453817, 523635, 583479, 972465, 1361451, 1570905, 2269085, 2917395, 4084353, 6807255, 20421765.
If you add them up, you will get the total of 20,421,788. Now subtract 20,421,765 to get 23,153,403