20171566317

素因数分解:

$3^1\times 7^1\times {\mathrm{7639}}^1\times {\mathrm{125743}}^1$

素因数の和:133392

約数の個数: 16

約数和(自身を含む): 30741893120

約数和(自身を除く): 10570326803

約数列:

[1, 3, 7, 21, 7639, 22917, 53473, 125743, 160419, 377229, 880201, 2640603, 960550777, 2881652331, 6723855439, 20171566317]

約数ペア:

[(1, 20171566317), (3, 6723855439), (7, 2881652331), (21, 960550777), (7639, 2640603), (22917, 880201), (53473, 377229), (125743, 160419)]