20408058710

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{156985067}}^1$

素因数の和:156985087

約数の個数: 16

約数和(自身を含む): 39560237136

約数和(自身を除く): 19152178426

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 156985067, 313970134, 784925335, 1569850670, 2040805871, 4081611742, 10204029355, 20408058710]

約数ペア:

[(1, 20408058710), (2, 10204029355), (5, 4081611742), (10, 2040805871), (13, 1569850670), (26, 784925335), (65, 313970134), (130, 156985067)]