20125131

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{1559}}^1$

素因数の和:1906

約数の個数: 16

約数和(自身を含む): 29003520

約数和(自身を除く): 8878389

約数列:

[1, 3, 13, 39, 331, 993, 1559, 4303, 4677, 12909, 20267, 60801, 516029, 1548087, 6708377, 20125131]

約数ペア:

[(1, 20125131), (3, 6708377), (13, 1548087), (39, 516029), (331, 60801), (993, 20267), (1559, 12909), (4303, 4677)]