20160918995

素因数分解:

$5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{4397147}}^1$

素因数の和:4397290

約数の個数: 16

約数和(自身を含む): 27860329728

約数和(自身を除く): 7699410733

約数列:

[1, 5, 7, 35, 131, 655, 917, 4585, 4397147, 21985735, 30780029, 153900145, 576026257, 2880131285, 4032183799, 20160918995]

約数ペア:

[(1, 20160918995), (5, 4032183799), (7, 2880131285), (35, 576026257), (131, 153900145), (655, 30780029), (917, 21985735), (4585, 4397147)]