20420220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{340337}}^1$

素因数の和:340349

約数の個数: 24

約数和(自身を含む): 57176784

約数和(自身を除く): 36756564

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 340337, 680674, 1021011, 1361348, 1701685, 2042022, 3403370, 4084044, 5105055, 6806740, 10210110, 20420220]

約数ペア:

[(1, 20420220), (2, 10210110), (3, 6806740), (4, 5105055), (5, 4084044), (6, 3403370), (10, 2042022), (12, 1701685), (15, 1361348), (20, 1021011), (30, 680674), (60, 340337)]