2021531900

素因数分解:

$2^2\times 5^2\times {\mathrm{20215319}}^1$

素因数の和:20215333

約数の個数: 18

約数和(自身を含む): 4386724440

約数和(自身を除く): 2365192540

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 20215319, 40430638, 80861276, 101076595, 202153190, 404306380, 505382975, 1010765950, 2021531900]

約数ペア:

[(1, 2021531900), (2, 1010765950), (4, 505382975), (5, 404306380), (10, 202153190), (20, 101076595), (25, 80861276), (50, 40430638), (100, 20215319)]