20125651

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{2029}}^1$

素因数の和:2158

約数の個数: 16

約数和(自身を含む): 25009600

約数和(自身を除く): 4883949

約数列:

[1, 7, 13, 91, 109, 763, 1417, 2029, 9919, 14203, 26377, 184639, 221161, 1548127, 2875093, 20125651]

約数ペア:

[(1, 20125651), (7, 2875093), (13, 1548127), (91, 221161), (109, 184639), (763, 26377), (1417, 14203), (2029, 9919)]