20529387

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{1231}}^1$

素因数の和:1363

約数の個数: 24

約数和(自身を含む): 31711680

約数和(自身を除く): 11182293

約数列:

[1, 3, 9, 17, 51, 109, 153, 327, 981, 1231, 1853, 3693, 5559, 11079, 16677, 20927, 62781, 134179, 188343, 402537, 1207611, 2281043, 6843129, 20529387]

約数ペア:

[(1, 20529387), (3, 6843129), (9, 2281043), (17, 1207611), (51, 402537), (109, 188343), (153, 134179), (327, 62781), (981, 20927), (1231, 16677), (1853, 11079), (3693, 5559)]