20851099775

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{449}}^1\times {\mathrm{168869}}^1$

素因数の和:169339

約数の個数: 24

約数和(自身を含む): 28268838000

約数和(自身を除く): 7417738225

約数列:

[1, 5, 11, 25, 55, 275, 449, 2245, 4939, 11225, 24695, 123475, 168869, 844345, 1857559, 4221725, 9287795, 46438975, 75822181, 379110905, 834043991, 1895554525, 4170219955, 20851099775]

約数ペア:

[(1, 20851099775), (5, 4170219955), (11, 1895554525), (25, 834043991), (55, 379110905), (275, 75822181), (449, 46438975), (2245, 9287795), (4939, 4221725), (11225, 1857559), (24695, 844345), (123475, 168869)]