20245540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{144611}}^1$

素因数の和:144627

約数の個数: 24

約数和(自身を含む): 48589632

約数和(自身を除く): 28344092

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 144611, 289222, 578444, 723055, 1012277, 1446110, 2024554, 2892220, 4049108, 5061385, 10122770, 20245540]

約数ペア:

[(1, 20245540), (2, 10122770), (4, 5061385), (5, 4049108), (7, 2892220), (10, 2024554), (14, 1446110), (20, 1012277), (28, 723055), (35, 578444), (70, 289222), (140, 144611)]