20950204

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{1531}}^1$

素因数の和:1857

約数の個数: 24

約数和(自身を含む): 40150656

約数和(自身を除く): 19200452

約数列:

[1, 2, 4, 11, 22, 44, 311, 622, 1244, 1531, 3062, 3421, 6124, 6842, 13684, 16841, 33682, 67364, 476141, 952282, 1904564, 5237551, 10475102, 20950204]

約数ペア:

[(1, 20950204), (2, 10475102), (4, 5237551), (11, 1904564), (22, 952282), (44, 476141), (311, 67364), (622, 33682), (1244, 16841), (1531, 13684), (3062, 6842), (3421, 6124)]