20714445

素因数分解:

$3^2\times 5^1\times {\mathrm{569}}^1\times {\mathrm{809}}^1$

素因数の和:1389

約数の個数: 24

約数和(自身を含む): 36012600

約数和(自身を除く): 15298155

約数列:

[1, 3, 5, 9, 15, 45, 569, 809, 1707, 2427, 2845, 4045, 5121, 7281, 8535, 12135, 25605, 36405, 460321, 1380963, 2301605, 4142889, 6904815, 20714445]

約数ペア:

[(1, 20714445), (3, 6904815), (5, 4142889), (9, 2301605), (15, 1380963), (45, 460321), (569, 36405), (809, 25605), (1707, 12135), (2427, 8535), (2845, 7281), (4045, 5121)]