20831317

素因数分解:

${\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{241}}^1$

素因数の和:424

約数の個数: 16

約数和(自身を含む): 23106160

約数和(自身を除く): 2274843

約数列:

[1, 13, 61, 109, 241, 793, 1417, 3133, 6649, 14701, 26269, 86437, 191113, 341497, 1602409, 20831317]

約数ペア:

[(1, 20831317), (13, 1602409), (61, 341497), (109, 191113), (241, 86437), (793, 26269), (1417, 14701), (3133, 6649)]