20664138

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{28463}}^1$

素因数の和:28490

約数の個数: 24

約数和(自身を含む): 45428544

約数和(自身を除く): 24764406

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 121, 242, 363, 726, 28463, 56926, 85389, 170778, 313093, 626186, 939279, 1878558, 3444023, 6888046, 10332069, 20664138]

約数ペア:

[(1, 20664138), (2, 10332069), (3, 6888046), (6, 3444023), (11, 1878558), (22, 939279), (33, 626186), (66, 313093), (121, 170778), (242, 85389), (363, 56926), (726, 28463)]