20009675

素因数分解:

$5^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1049}}^1$

素因数の和:1175

約数の個数: 24

約数和(自身を含む): 28644000

約数和(自身を除く): 8634325

約数列:

[1, 5, 7, 25, 35, 109, 175, 545, 763, 1049, 2725, 3815, 5245, 7343, 19075, 26225, 36715, 114341, 183575, 571705, 800387, 2858525, 4001935, 20009675]

約数ペア:

[(1, 20009675), (5, 4001935), (7, 2858525), (25, 800387), (35, 571705), (109, 183575), (175, 114341), (545, 36715), (763, 26225), (1049, 19075), (2725, 7343), (3815, 5245)]