20881013060

素因数分解:

$2^2\times 5^1\times {\mathrm{1129}}^1\times {\mathrm{924757}}^1$

素因数の和:925895

約数の個数: 24

約数和(自身を含む): 43889014680

約数和(自身を除く): 23008001620

約数列:

[1, 2, 4, 5, 10, 20, 1129, 2258, 4516, 5645, 11290, 22580, 924757, 1849514, 3699028, 4623785, 9247570, 18495140, 1044050653, 2088101306, 4176202612, 5220253265, 10440506530, 20881013060]

約数ペア:

[(1, 20881013060), (2, 10440506530), (4, 5220253265), (5, 4176202612), (10, 2088101306), (20, 1044050653), (1129, 18495140), (2258, 9247570), (4516, 4623785), (5645, 3699028), (11290, 1849514), (22580, 924757)]