20404708

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{383}}^1\times {\mathrm{701}}^1$

素因数の和:1107

約数の個数: 24

約数和(自身を含む): 37739520

約数和(自身を除く): 17334812

約数列:

[1, 2, 4, 19, 38, 76, 383, 701, 766, 1402, 1532, 2804, 7277, 13319, 14554, 26638, 29108, 53276, 268483, 536966, 1073932, 5101177, 10202354, 20404708]

約数ペア:

[(1, 20404708), (2, 10202354), (4, 5101177), (19, 1073932), (38, 536966), (76, 268483), (383, 53276), (701, 29108), (766, 26638), (1402, 14554), (1532, 13319), (2804, 7277)]