20256313

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{503}}^1\times {\mathrm{523}}^1$

素因数の和:1044

約数の個数: 16

約数和(自身を含む): 25353216

約数和(自身を除く): 5096903

約数列:

[1, 7, 11, 77, 503, 523, 3521, 3661, 5533, 5753, 38731, 40271, 263069, 1841483, 2893759, 20256313]

約数ペア:

[(1, 20256313), (7, 2893759), (11, 1841483), (77, 263069), (503, 40271), (523, 38731), (3521, 5753), (3661, 5533)]