20123803505

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{2383}}^1\times {\mathrm{129919}}^1$

素因数の和:132320

約数の個数: 16

約数和(自身を含む): 26017259520

約数和(自身を除く): 5893456015

約数列:

[1, 5, 13, 65, 2383, 11915, 30979, 129919, 154895, 649595, 1688947, 8444735, 309596977, 1547984885, 4024760701, 20123803505]

約数ペア:

[(1, 20123803505), (5, 4024760701), (13, 1547984885), (65, 309596977), (2383, 8444735), (11915, 1688947), (30979, 649595), (129919, 154895)]