20123021443

素因数分解:

$7^3\times {\mathrm{3229}}^1\times {\mathrm{18169}}^1$

素因数の和:21419

約数の個数: 16

約数和(自身を含む): 23475640000

約数和(自身を除く): 3352618557

約数列:

[1, 7, 49, 343, 3229, 18169, 22603, 127183, 158221, 890281, 1107547, 6231967, 58667701, 410673907, 2874717349, 20123021443]

約数ペア:

[(1, 20123021443), (7, 2874717349), (49, 410673907), (343, 58667701), (3229, 6231967), (18169, 1107547), (22603, 890281), (127183, 158221)]