20113852

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{10631}}^1$

素因数の和:10689

約数の個数: 24

約数和(自身を含む): 39295872

約数和(自身を除く): 19182020

約数列:

[1, 2, 4, 11, 22, 43, 44, 86, 172, 473, 946, 1892, 10631, 21262, 42524, 116941, 233882, 457133, 467764, 914266, 1828532, 5028463, 10056926, 20113852]

約数ペア:

[(1, 20113852), (2, 10056926), (4, 5028463), (11, 1828532), (22, 914266), (43, 467764), (44, 457133), (86, 233882), (172, 116941), (473, 42524), (946, 21262), (1892, 10631)]