20207584180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{144339887}}^1$

素因数の和:144339903

約数の個数: 24

約数和(自身を含む): 48498202368

約数和(自身を除く): 28290618188

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 144339887, 288679774, 577359548, 721699435, 1010379209, 1443398870, 2020758418, 2886797740, 4041516836, 5051896045, 10103792090, 20207584180]

約数ペア:

[(1, 20207584180), (2, 10103792090), (4, 5051896045), (5, 4041516836), (7, 2886797740), (10, 2020758418), (14, 1443398870), (20, 1010379209), (28, 721699435), (35, 577359548), (70, 288679774), (140, 144339887)]