20753585

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{1511}}^1$

素因数の和:1624

約数の個数: 16

約数和(自身を含む): 25909632

約数和(自身を除く): 5156047

約数列:

[1, 5, 41, 67, 205, 335, 1511, 2747, 7555, 13735, 61951, 101237, 309755, 506185, 4150717, 20753585]

約数ペア:

[(1, 20753585), (5, 4150717), (41, 506185), (67, 309755), (205, 101237), (335, 61951), (1511, 13735), (2747, 7555)]