20263180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{144737}}^1$

素因数の和:144753

約数の個数: 24

約数和(自身を含む): 48631968

約数和(自身を除く): 28368788

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 144737, 289474, 578948, 723685, 1013159, 1447370, 2026318, 2894740, 4052636, 5065795, 10131590, 20263180]

約数ペア:

[(1, 20263180), (2, 10131590), (4, 5065795), (5, 4052636), (7, 2894740), (10, 2026318), (14, 1447370), (20, 1013159), (28, 723685), (35, 578948), (70, 289474), (140, 144737)]