20737508

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{2633}}^1$

素因数の和:2827

約数の個数: 24

約数和(自身を含む): 39826080

約数和(自身を除く): 19088572

約数列:

[1, 2, 4, 11, 22, 44, 179, 358, 716, 1969, 2633, 3938, 5266, 7876, 10532, 28963, 57926, 115852, 471307, 942614, 1885228, 5184377, 10368754, 20737508]

約数ペア:

[(1, 20737508), (2, 10368754), (4, 5184377), (11, 1885228), (22, 942614), (44, 471307), (179, 115852), (358, 57926), (716, 28963), (1969, 10532), (2633, 7876), (3938, 5266)]