20130879881

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{877}}^1\times {\mathrm{142573}}^1$

素因数の和:143480

約数の個数: 16

約数和(自身を含む): 24034554624

約数和(自身を除く): 3903674743

約数列:

[1, 7, 23, 161, 877, 6139, 20171, 141197, 142573, 998011, 3279179, 22954253, 125036521, 875255647, 2875839983, 20130879881]

約数ペア:

[(1, 20130879881), (7, 2875839983), (23, 875255647), (161, 125036521), (877, 22954253), (6139, 3279179), (20171, 998011), (141197, 142573)]