20330019

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1949}}^1$

素因数の和:2035

約数の個数: 24

約数和(自身を含む): 31434000

約数和(自身を除く): 11103981

約数列:

[1, 3, 9, 19, 57, 61, 171, 183, 549, 1159, 1949, 3477, 5847, 10431, 17541, 37031, 111093, 118889, 333279, 356667, 1070001, 2258891, 6776673, 20330019]

約数ペア:

[(1, 20330019), (3, 6776673), (9, 2258891), (19, 1070001), (57, 356667), (61, 333279), (171, 118889), (183, 111093), (549, 37031), (1159, 17541), (1949, 10431), (3477, 5847)]