20749876

素因数分解:

$2^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{5657}}^1$

素因数の和:5799

約数の個数: 24

約数和(自身を含む): 41823936

約数和(自身を除く): 21074060

約数列:

[1, 2, 4, 7, 14, 28, 131, 262, 524, 917, 1834, 3668, 5657, 11314, 22628, 39599, 79198, 158396, 741067, 1482134, 2964268, 5187469, 10374938, 20749876]

約数ペア:

[(1, 20749876), (2, 10374938), (4, 5187469), (7, 2964268), (14, 1482134), (28, 741067), (131, 158396), (262, 79198), (524, 39599), (917, 22628), (1834, 11314), (3668, 5657)]