20421742

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{32009}}^1$

素因数の和:32051

約数の個数: 16

約数和(自身を含む): 34570800

約数和(自身を除く): 14149058

約数列:

[1, 2, 11, 22, 29, 58, 319, 638, 32009, 64018, 352099, 704198, 928261, 1856522, 10210871, 20421742]

約数ペア:

[(1, 20421742), (2, 10210871), (11, 1856522), (22, 928261), (29, 704198), (58, 352099), (319, 64018), (638, 32009)]