20517508

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{317}}^1\times {\mathrm{1471}}^1$

素因数の和:1803

約数の個数: 24

約数和(自身を含む): 39320064

約数和(自身を除く): 18802556

約数列:

[1, 2, 4, 11, 22, 44, 317, 634, 1268, 1471, 2942, 3487, 5884, 6974, 13948, 16181, 32362, 64724, 466307, 932614, 1865228, 5129377, 10258754, 20517508]

約数ペア:

[(1, 20517508), (2, 10258754), (4, 5129377), (11, 1865228), (22, 932614), (44, 466307), (317, 64724), (634, 32362), (1268, 16181), (1471, 13948), (2942, 6974), (3487, 5884)]