20717576

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{757}}^1$

素因数の和:1085

約数の個数: 32

約数和(自身を含む): 42569280

約数和(自身を除く): 21851704

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 311, 622, 757, 1244, 1514, 2488, 3028, 3421, 6056, 6842, 8327, 13684, 16654, 27368, 33308, 66616, 235427, 470854, 941708, 1883416, 2589697, 5179394, 10358788, 20717576]

約数ペア:

[(1, 20717576), (2, 10358788), (4, 5179394), (8, 2589697), (11, 1883416), (22, 941708), (44, 470854), (88, 235427), (311, 66616), (622, 33308), (757, 27368), (1244, 16654), (1514, 13684), (2488, 8327), (3028, 6842), (3421, 6056)]