20299870

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{2777}}^1$

素因数の和:2844

約数の個数: 32

約数和(自身を含む): 39603168

約数和(自身を除く): 19303298

約数列:

[1, 2, 5, 10, 17, 34, 43, 85, 86, 170, 215, 430, 731, 1462, 2777, 3655, 5554, 7310, 13885, 27770, 47209, 94418, 119411, 236045, 238822, 472090, 597055, 1194110, 2029987, 4059974, 10149935, 20299870]

約数ペア:

[(1, 20299870), (2, 10149935), (5, 4059974), (10, 2029987), (17, 1194110), (34, 597055), (43, 472090), (85, 238822), (86, 236045), (170, 119411), (215, 94418), (430, 47209), (731, 27770), (1462, 13885), (2777, 7310), (3655, 5554)]