20949802

素因数分解:

$2^1\times {\mathrm{139}}^1\times {\mathrm{179}}^1\times {\mathrm{421}}^1$

素因数の和:741

約数の個数: 16

約数和(自身を含む): 31903200

約数和(自身を除く): 10953398

約数列:

[1, 2, 139, 179, 278, 358, 421, 842, 24881, 49762, 58519, 75359, 117038, 150718, 10474901, 20949802]

約数ペア:

[(1, 20949802), (2, 10474901), (139, 150718), (179, 117038), (278, 75359), (358, 58519), (421, 49762), (842, 24881)]