20957562

素因数分解:

$2^1\times 3^3\times {\mathrm{163}}^1\times {\mathrm{2381}}^1$

素因数の和:2555

約数の個数: 32

約数和(自身を含む): 46877760

約数和(自身を除く): 25920198

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 163, 326, 489, 978, 1467, 2381, 2934, 4401, 4762, 7143, 8802, 14286, 21429, 42858, 64287, 128574, 388103, 776206, 1164309, 2328618, 3492927, 6985854, 10478781, 20957562]

約数ペア:

[(1, 20957562), (2, 10478781), (3, 6985854), (6, 3492927), (9, 2328618), (18, 1164309), (27, 776206), (54, 388103), (163, 128574), (326, 64287), (489, 42858), (978, 21429), (1467, 14286), (2381, 8802), (2934, 7143), (4401, 4762)]