20653251

素因数分解:

$3^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1\times {\mathrm{751}}^1$

素因数の和:946

約数の個数: 16

約数和(自身を含む): 28154880

約数和(自身を除く): 7501629

約数列:

[1, 3, 89, 103, 267, 309, 751, 2253, 9167, 27501, 66839, 77353, 200517, 232059, 6884417, 20653251]

約数ペア:

[(1, 20653251), (3, 6884417), (89, 232059), (103, 200517), (267, 77353), (309, 66839), (751, 27501), (2253, 9167)]