20165485

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{1811}}^1$

素因数の和:1964

約数の個数: 16

約数和(自身を含む): 25831872

約数和(自身を除く): 5666387

約数列:

[1, 5, 17, 85, 131, 655, 1811, 2227, 9055, 11135, 30787, 153935, 237241, 1186205, 4033097, 20165485]

約数ペア:

[(1, 20165485), (5, 4033097), (17, 1186205), (85, 237241), (131, 153935), (655, 30787), (1811, 11135), (2227, 9055)]