20880451556

素因数分解:

$2^2\times {\mathrm{12379}}^1\times {\mathrm{421691}}^1$

素因数の和:434074

約数の個数: 12

約数和(自身を含む): 36543828720

約数和(自身を除く): 15663377164

約数列:

[1, 2, 4, 12379, 24758, 49516, 421691, 843382, 1686764, 5220112889, 10440225778, 20880451556]

約数ペア:

[(1, 20880451556), (2, 10440225778), (4, 5220112889), (12379, 1686764), (24758, 843382), (49516, 421691)]