20692161

素因数分解:

$3^2\times 7^3\times {\mathrm{6703}}^1$

素因数の和:6730

約数の個数: 24

約数和(自身を含む): 34860800

約数和(自身を除く): 14168639

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 1029, 3087, 6703, 20109, 46921, 60327, 140763, 328447, 422289, 985341, 2299129, 2956023, 6897387, 20692161]

約数ペア:

[(1, 20692161), (3, 6897387), (7, 2956023), (9, 2299129), (21, 985341), (49, 422289), (63, 328447), (147, 140763), (343, 60327), (441, 46921), (1029, 20109), (3087, 6703)]