20501180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{146437}}^1$

素因数の和:146453

約数の個数: 24

約数和(自身を含む): 49203168

約数和(自身を除く): 28701988

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 146437, 292874, 585748, 732185, 1025059, 1464370, 2050118, 2928740, 4100236, 5125295, 10250590, 20501180]

約数ペア:

[(1, 20501180), (2, 10250590), (4, 5125295), (5, 4100236), (7, 2928740), (10, 2050118), (14, 1464370), (20, 1025059), (28, 732185), (35, 585748), (70, 292874), (140, 146437)]