20203540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{144311}}^1$

素因数の和:144327

約数の個数: 24

約数和(自身を含む): 48488832

約数和(自身を除く): 28285292

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 144311, 288622, 577244, 721555, 1010177, 1443110, 2020354, 2886220, 4040708, 5050885, 10101770, 20203540]

約数ペア:

[(1, 20203540), (2, 10101770), (4, 5050885), (5, 4040708), (7, 2886220), (10, 2020354), (14, 1443110), (20, 1010177), (28, 721555), (35, 577244), (70, 288622), (140, 144311)]