20954381

素因数分解:

$7^1\times {\mathrm{59}}^1\times {\mathrm{113}}^1\times {\mathrm{449}}^1$

素因数の和:628

約数の個数: 16

約数和(自身を含む): 24624000

約数和(自身を除く): 3669619

約数列:

[1, 7, 59, 113, 413, 449, 791, 3143, 6667, 26491, 46669, 50737, 185437, 355159, 2993483, 20954381]

約数ペア:

[(1, 20954381), (7, 2993483), (59, 355159), (113, 185437), (413, 50737), (449, 46669), (791, 26491), (3143, 6667)]