20281593

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1\times {\mathrm{911}}^1$

素因数の和:1136

約数の個数: 16

約数和(自身を含む): 27885312

約数和(自身を除く): 7603719

約数列:

[1, 3, 41, 123, 181, 543, 911, 2733, 7421, 22263, 37351, 112053, 164891, 494673, 6760531, 20281593]

約数ペア:

[(1, 20281593), (3, 6760531), (41, 494673), (123, 164891), (181, 112053), (543, 37351), (911, 22263), (2733, 7421)]