20665451858

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{4933}}^1\times {\mathrm{39521}}^1$

素因数の和:44509

約数の個数: 16

約数和(自身を含む): 31590250776

約数和(自身を除く): 10924798918

約数列:

[1, 2, 53, 106, 4933, 9866, 39521, 79042, 261449, 522898, 2094613, 4189226, 194957093, 389914186, 10332725929, 20665451858]

約数ペア:

[(1, 20665451858), (2, 10332725929), (53, 389914186), (106, 194957093), (4933, 4189226), (9866, 2094613), (39521, 522898), (79042, 261449)]