20144435

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{3727}}^1$

素因数の和:3802

約数の個数: 16

約数和(自身を含む): 25767936

約数和(自身を除く): 5623501

約数列:

[1, 5, 23, 47, 115, 235, 1081, 3727, 5405, 18635, 85721, 175169, 428605, 875845, 4028887, 20144435]

約数ペア:

[(1, 20144435), (5, 4028887), (23, 875845), (47, 428605), (115, 175169), (235, 85721), (1081, 18635), (3727, 5405)]