20015145

素因数分解:

$3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{2833}}^1$

素因数の和:3001

約数の個数: 24

約数和(自身を含む): 34926216

約数和(自身を除く): 14911071

約数列:

[1, 3, 5, 9, 15, 45, 157, 471, 785, 1413, 2355, 2833, 7065, 8499, 14165, 25497, 42495, 127485, 444781, 1334343, 2223905, 4003029, 6671715, 20015145]

約数ペア:

[(1, 20015145), (3, 6671715), (5, 4003029), (9, 2223905), (15, 1334343), (45, 444781), (157, 127485), (471, 42495), (785, 25497), (1413, 14165), (2355, 8499), (2833, 7065)]