20216450

素因数分解:

$2^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{9403}}^1$

素因数の和:9458

約数の個数: 24

約数和(自身を含む): 38481168

約数和(自身を除く): 18264718

約数列:

[1, 2, 5, 10, 25, 43, 50, 86, 215, 430, 1075, 2150, 9403, 18806, 47015, 94030, 235075, 404329, 470150, 808658, 2021645, 4043290, 10108225, 20216450]

約数ペア:

[(1, 20216450), (2, 10108225), (5, 4043290), (10, 2021645), (25, 808658), (43, 470150), (50, 404329), (86, 235075), (215, 94030), (430, 47015), (1075, 18806), (2150, 9403)]