20501570

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{107903}}^1$

素因数の和:107929

約数の個数: 16

約数和(自身を含む): 38845440

約数和(自身を除く): 18343870

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 107903, 215806, 539515, 1079030, 2050157, 4100314, 10250785, 20501570]

約数ペア:

[(1, 20501570), (2, 10250785), (5, 4100314), (10, 2050157), (19, 1079030), (38, 539515), (95, 215806), (190, 107903)]