20375564

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{571}}^1\times {\mathrm{811}}^1$

素因数の和:1397

約数の個数: 24

約数和(自身を含む): 39014976

約数和(自身を除く): 18639412

約数列:

[1, 2, 4, 11, 22, 44, 571, 811, 1142, 1622, 2284, 3244, 6281, 8921, 12562, 17842, 25124, 35684, 463081, 926162, 1852324, 5093891, 10187782, 20375564]

約数ペア:

[(1, 20375564), (2, 10187782), (4, 5093891), (11, 1852324), (22, 926162), (44, 463081), (571, 35684), (811, 25124), (1142, 17842), (1622, 12562), (2284, 8921), (3244, 6281)]