20641610

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{187651}}^1$

素因数の和:187669

約数の個数: 16

約数和(自身を含む): 40532832

約数和(自身を除く): 19891222

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 187651, 375302, 938255, 1876510, 2064161, 4128322, 10320805, 20641610]

約数ペア:

[(1, 20641610), (2, 10320805), (5, 4128322), (10, 2064161), (11, 1876510), (22, 938255), (55, 375302), (110, 187651)]