201917620

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{246241}}^1$

素因数の和:246291

約数の個数: 24

約数和(自身を含む): 434370888

約数和(自身を除く): 232453268

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 246241, 492482, 984964, 1231205, 2462410, 4924820, 10095881, 20191762, 40383524, 50479405, 100958810, 201917620]

約数ペア:

[(1, 201917620), (2, 100958810), (4, 50479405), (5, 40383524), (10, 20191762), (20, 10095881), (41, 4924820), (82, 2462410), (164, 1231205), (205, 984964), (410, 492482), (820, 246241)]