20504406

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{262877}}^1$

素因数の和:262895

約数の個数: 16

約数和(自身を含む): 44163504

約数和(自身を除く): 23659098

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 262877, 525754, 788631, 1577262, 3417401, 6834802, 10252203, 20504406]

約数ペア:

[(1, 20504406), (2, 10252203), (3, 6834802), (6, 3417401), (13, 1577262), (26, 788631), (39, 525754), (78, 262877)]