20173890989

素因数分解:

$7^2\times {\mathrm{37}}^1\times {\mathrm{2203}}^1\times {\mathrm{5051}}^1$

素因数の和:7305

約数の個数: 24

約数和(自身を含む): 24117560928

約数和(自身を除く): 3943669939

約数列:

[1, 7, 37, 49, 259, 1813, 2203, 5051, 15421, 35357, 81511, 107947, 186887, 247499, 570577, 1308209, 3994039, 9157463, 11127353, 77891471, 411712061, 545240297, 2881984427, 20173890989]

約数ペア:

[(1, 20173890989), (7, 2881984427), (37, 545240297), (49, 411712061), (259, 77891471), (1813, 11127353), (2203, 9157463), (5051, 3994039), (15421, 1308209), (35357, 570577), (81511, 247499), (107947, 186887)]