20735612

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{1087}}^1$

素因数の和:1361

約数の個数: 24

約数和(自身を含む): 38384640

約数和(自身を除く): 17649028

約数列:

[1, 2, 4, 19, 38, 76, 251, 502, 1004, 1087, 2174, 4348, 4769, 9538, 19076, 20653, 41306, 82612, 272837, 545674, 1091348, 5183903, 10367806, 20735612]

約数ペア:

[(1, 20735612), (2, 10367806), (4, 5183903), (19, 1091348), (38, 545674), (76, 272837), (251, 82612), (502, 41306), (1004, 20653), (1087, 19076), (2174, 9538), (4348, 4769)]