20316164

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{2551}}^1$

素因数の和:2747

約数の個数: 24

約数和(自身を含む): 39014976

約数和(自身を除く): 18698812

約数列:

[1, 2, 4, 11, 22, 44, 181, 362, 724, 1991, 2551, 3982, 5102, 7964, 10204, 28061, 56122, 112244, 461731, 923462, 1846924, 5079041, 10158082, 20316164]

約数ペア:

[(1, 20316164), (2, 10158082), (4, 5079041), (11, 1846924), (22, 923462), (44, 461731), (181, 112244), (362, 56122), (724, 28061), (1991, 10204), (2551, 7964), (3982, 5102)]