20927839919

素因数分解:

$7^1\times {\mathrm{17}}^2\times {\mathrm{97}}^1\times {\mathrm{106649}}^1$

素因数の和:106787

約数の個数: 24

約数和(自身を含む): 25669375200

約数和(自身を除く): 4741535281

約数列:

[1, 7, 17, 97, 119, 289, 679, 1649, 2023, 11543, 28033, 106649, 196231, 746543, 1813033, 10344953, 12691231, 30821561, 72414671, 175864201, 215750927, 1231049407, 2989691417, 20927839919]

約数ペア:

[(1, 20927839919), (7, 2989691417), (17, 1231049407), (97, 215750927), (119, 175864201), (289, 72414671), (679, 30821561), (1649, 12691231), (2023, 10344953), (11543, 1813033), (28033, 746543), (106649, 196231)]