20643951

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{3571}}^1$

素因数の和:3662

約数の個数: 16

約数和(自身を含む): 28804608

約数和(自身を除く): 8160657

約数列:

[1, 3, 41, 47, 123, 141, 1927, 3571, 5781, 10713, 146411, 167837, 439233, 503511, 6881317, 20643951]

約数ペア:

[(1, 20643951), (3, 6881317), (41, 503511), (47, 439233), (123, 167837), (141, 146411), (1927, 10713), (3571, 5781)]