20054710

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{154267}}^1$

素因数の和:154287

約数の個数: 16

約数和(自身を含む): 38875536

約数和(自身を除く): 18820826

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 154267, 308534, 771335, 1542670, 2005471, 4010942, 10027355, 20054710]

約数ペア:

[(1, 20054710), (2, 10027355), (5, 4010942), (10, 2005471), (13, 1542670), (26, 771335), (65, 308534), (130, 154267)]