20750680

素因数分解:

$2^3\times 5^1\times {\mathrm{518767}}^1$

素因数の和:518778

約数の個数: 16

約数和(自身を含む): 46689120

約数和(自身を除く): 25938440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 518767, 1037534, 2075068, 2593835, 4150136, 5187670, 10375340, 20750680]

約数ペア:

[(1, 20750680), (2, 10375340), (4, 5187670), (5, 4150136), (8, 2593835), (10, 2075068), (20, 1037534), (40, 518767)]