20804900105

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{293}}^1\times {\mathrm{24359}}^1$

素因数の和:24721

約数の個数: 32

約数和(自身を含む): 27845233920

約数和(自身を除く): 7040333815

約数列:

[1, 5, 11, 53, 55, 265, 293, 583, 1465, 2915, 3223, 15529, 16115, 24359, 77645, 121795, 170819, 267949, 854095, 1291027, 1339745, 6455135, 7137187, 14201297, 35685935, 71006485, 78509057, 378270911, 392545285, 1891354555, 4160980021, 20804900105]

約数ペア:

[(1, 20804900105), (5, 4160980021), (11, 1891354555), (53, 392545285), (55, 378270911), (265, 78509057), (293, 71006485), (583, 35685935), (1465, 14201297), (2915, 7137187), (3223, 6455135), (15529, 1339745), (16115, 1291027), (24359, 854095), (77645, 267949), (121795, 170819)]