20087245

素因数分解:

$5^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1\times {\mathrm{499}}^1$

素因数の和:684

約数の個数: 16

約数和(自身を含む): 24696000

約数和(自身を除く): 4608755

約数列:

[1, 5, 83, 97, 415, 485, 499, 2495, 8051, 40255, 41417, 48403, 207085, 242015, 4017449, 20087245]

約数ペア:

[(1, 20087245), (5, 4017449), (83, 242015), (97, 207085), (415, 48403), (485, 41417), (499, 40255), (2495, 8051)]