20823759

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{12373}}^1$

素因数の和:12407

約数の個数: 24

約数和(自身を含む): 34746192

約数和(自身を除く): 13922433

約数列:

[1, 3, 9, 11, 17, 33, 51, 99, 153, 187, 561, 1683, 12373, 37119, 111357, 136103, 210341, 408309, 631023, 1224927, 1893069, 2313751, 6941253, 20823759]

約数ペア:

[(1, 20823759), (3, 6941253), (9, 2313751), (11, 1893069), (17, 1224927), (33, 631023), (51, 408309), (99, 210341), (153, 136103), (187, 111357), (561, 37119), (1683, 12373)]