20915873

素因数分解:

${\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{173}}^1\times {\mathrm{379}}^1$

素因数の和:592

約数の個数: 16

約数和(自身を含む): 23803200

約数和(自身を除く): 2887327

約数列:

[1, 11, 29, 173, 319, 379, 1903, 4169, 5017, 10991, 55187, 65567, 120901, 721237, 1901443, 20915873]

約数ペア:

[(1, 20915873), (11, 1901443), (29, 721237), (173, 120901), (319, 65567), (379, 55187), (1903, 10991), (4169, 5017)]