20406477889

素因数分解:

$7^1\times {\mathrm{73}}^1\times {\mathrm{593}}^1\times {\mathrm{67343}}^1$

素因数の和:68016

約数の個数: 16

約数和(自身を含む): 23681382912

約数和(自身を除く): 3274905023

約数列:

[1, 7, 73, 511, 593, 4151, 43289, 67343, 303023, 471401, 4916039, 34412273, 39934399, 279540793, 2915211127, 20406477889]

約数ペア:

[(1, 20406477889), (7, 2915211127), (73, 279540793), (511, 39934399), (593, 34412273), (4151, 4916039), (43289, 471401), (67343, 303023)]