20181767020

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{24611911}}^1$

素因数の和:24611961

約数の個数: 24

約数和(自身を含む): 43415412768

約数和(自身を除く): 23233645748

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 24611911, 49223822, 98447644, 123059555, 246119110, 492238220, 1009088351, 2018176702, 4036353404, 5045441755, 10090883510, 20181767020]

約数ペア:

[(1, 20181767020), (2, 10090883510), (4, 5045441755), (5, 4036353404), (10, 2018176702), (20, 1009088351), (41, 492238220), (82, 246119110), (164, 123059555), (205, 98447644), (410, 49223822), (820, 24611911)]