2020352240

素因数分解:

$2^4\times 5^1\times {\mathrm{25254403}}^1$

素因数の和:25254416

約数の個数: 20

約数和(自身を含む): 4697319144

約数和(自身を除く): 2676966904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25254403, 50508806, 101017612, 126272015, 202035224, 252544030, 404070448, 505088060, 1010176120, 2020352240]

約数ペア:

[(1, 2020352240), (2, 1010176120), (4, 505088060), (5, 404070448), (8, 252544030), (10, 202035224), (16, 126272015), (20, 101017612), (40, 50508806), (80, 25254403)]