20490558

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{310463}}^1$

素因数の和:310479

約数の個数: 16

約数和(自身を含む): 44706816

約数和(自身を除く): 24216258

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 310463, 620926, 931389, 1862778, 3415093, 6830186, 10245279, 20490558]

約数ペア:

[(1, 20490558), (2, 10245279), (3, 6830186), (6, 3415093), (11, 1862778), (22, 931389), (33, 620926), (66, 310463)]