20520709

素因数分解:

${\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{13421}}^1$

素因数の和:13571

約数の個数: 8

約数和(自身を含む): 22548960

約数和(自身を除く): 2028251

約数列:

[1, 11, 139, 1529, 13421, 147631, 1865519, 20520709]

約数ペア:

[(1, 20520709), (11, 1865519), (139, 147631), (1529, 13421)]