16820220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{280337}}^1$

素因数の和:280349

約数の個数: 24

約数和(自身を含む): 47096784

約数和(自身を除く): 30276564

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 280337, 560674, 841011, 1121348, 1401685, 1682022, 2803370, 3364044, 4205055, 5606740, 8410110, 16820220]

約数ペア:

[(1, 16820220), (2, 8410110), (3, 5606740), (4, 4205055), (5, 3364044), (6, 2803370), (10, 1682022), (12, 1401685), (15, 1121348), (20, 841011), (30, 560674), (60, 280337)]