20909493

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{7283}}^1$

素因数の和:7329

約数の個数: 24

約数和(自身を含む): 34089120

約数和(自身を除く): 13179627

約数列:

[1, 3, 9, 11, 29, 33, 87, 99, 261, 319, 957, 2871, 7283, 21849, 65547, 80113, 211207, 240339, 633621, 721017, 1900863, 2323277, 6969831, 20909493]

約数ペア:

[(1, 20909493), (3, 6969831), (9, 2323277), (11, 1900863), (29, 721017), (33, 633621), (87, 240339), (99, 211207), (261, 80113), (319, 65547), (957, 21849), (2871, 7283)]