20884670

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{2857}}^1$

素因数の和:2924

約数の個数: 32

約数和(自身を含む): 40743648

約数和(自身を除く): 19858978

約数列:

[1, 2, 5, 10, 17, 34, 43, 85, 86, 170, 215, 430, 731, 1462, 2857, 3655, 5714, 7310, 14285, 28570, 48569, 97138, 122851, 242845, 245702, 485690, 614255, 1228510, 2088467, 4176934, 10442335, 20884670]

約数ペア:

[(1, 20884670), (2, 10442335), (5, 4176934), (10, 2088467), (17, 1228510), (34, 614255), (43, 485690), (85, 245702), (86, 242845), (170, 122851), (215, 97138), (430, 48569), (731, 28570), (1462, 14285), (2857, 7310), (3655, 5714)]