20472759

素因数分解:

$3^2\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{419}}^1$

素因数の和:575

約数の個数: 24

約数和(自身を含む): 30466800

約数和(自身を除く): 9994041

約数列:

[1, 3, 9, 61, 89, 183, 267, 419, 549, 801, 1257, 3771, 5429, 16287, 25559, 37291, 48861, 76677, 111873, 230031, 335619, 2274751, 6824253, 20472759]

約数ペア:

[(1, 20472759), (3, 6824253), (9, 2274751), (61, 335619), (89, 230031), (183, 111873), (267, 76677), (419, 48861), (549, 37291), (801, 25559), (1257, 16287), (3771, 5429)]