20382172

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{727}}^1$

素因数の和:937

約数の個数: 24

約数和(自身を含む): 36772736

約数和(自身を除く): 16390564

約数列:

[1, 2, 4, 43, 86, 163, 172, 326, 652, 727, 1454, 2908, 7009, 14018, 28036, 31261, 62522, 118501, 125044, 237002, 474004, 5095543, 10191086, 20382172]

約数ペア:

[(1, 20382172), (2, 10191086), (4, 5095543), (43, 474004), (86, 237002), (163, 125044), (172, 118501), (326, 62522), (652, 31261), (727, 28036), (1454, 14018), (2908, 7009)]