20091260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{143509}}^1$

素因数の和:143525

約数の個数: 24

約数和(自身を含む): 48219360

約数和(自身を除く): 28128100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 143509, 287018, 574036, 717545, 1004563, 1435090, 2009126, 2870180, 4018252, 5022815, 10045630, 20091260]

約数ペア:

[(1, 20091260), (2, 10045630), (4, 5022815), (5, 4018252), (7, 2870180), (10, 2009126), (14, 1435090), (20, 1004563), (28, 717545), (35, 574036), (70, 287018), (140, 143509)]