20404712

素因数分解:

$2^3\times {\mathrm{103}}^1\times {\mathrm{24763}}^1$

素因数の和:24872

約数の個数: 16

約数和(自身を含む): 38631840

約数和(自身を除く): 18227128

約数列:

[1, 2, 4, 8, 103, 206, 412, 824, 24763, 49526, 99052, 198104, 2550589, 5101178, 10202356, 20404712]

約数ペア:

[(1, 20404712), (2, 10202356), (4, 5101178), (8, 2550589), (103, 198104), (206, 99052), (412, 49526), (824, 24763)]