20098463

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{389}}^1$

素因数の和:479

約数の個数: 24

約数和(自身を含む): 25727520

約数和(自身を除く): 5629057

約数列:

[1, 7, 11, 61, 77, 121, 389, 427, 671, 847, 2723, 4279, 4697, 7381, 23729, 29953, 47069, 51667, 166103, 261019, 329483, 1827133, 2871209, 20098463]

約数ペア:

[(1, 20098463), (7, 2871209), (11, 1827133), (61, 329483), (77, 261019), (121, 166103), (389, 51667), (427, 47069), (671, 29953), (847, 23729), (2723, 7381), (4279, 4697)]