20417706

素因数分解:

$2^1\times 3^2\times {\mathrm{163}}^1\times {\mathrm{6959}}^1$

素因数の和:7130

約数の個数: 24

約数和(自身を含む): 44516160

約数和(自身を除く): 24098454

約数列:

[1, 2, 3, 6, 9, 18, 163, 326, 489, 978, 1467, 2934, 6959, 13918, 20877, 41754, 62631, 125262, 1134317, 2268634, 3402951, 6805902, 10208853, 20417706]

約数ペア:

[(1, 20417706), (2, 10208853), (3, 6805902), (6, 3402951), (9, 2268634), (18, 1134317), (163, 125262), (326, 62631), (489, 41754), (978, 20877), (1467, 13918), (2934, 6959)]