20884450

素因数分解:

$2^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{8887}}^1$

素因数の和:8946

約数の個数: 24

約数和(自身を含む): 39676032

約数和(自身を除く): 18791582

約数列:

[1, 2, 5, 10, 25, 47, 50, 94, 235, 470, 1175, 2350, 8887, 17774, 44435, 88870, 222175, 417689, 444350, 835378, 2088445, 4176890, 10442225, 20884450]

約数ペア:

[(1, 20884450), (2, 10442225), (5, 4176890), (10, 2088445), (25, 835378), (47, 444350), (50, 417689), (94, 222175), (235, 88870), (470, 44435), (1175, 17774), (2350, 8887)]