20782330

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{2843}}^1$

素因数の和:2910

約数の個数: 32

約数和(自身を含む): 40544064

約数和(自身を除く): 19761734

約数列:

[1, 2, 5, 10, 17, 34, 43, 85, 86, 170, 215, 430, 731, 1462, 2843, 3655, 5686, 7310, 14215, 28430, 48331, 96662, 122249, 241655, 244498, 483310, 611245, 1222490, 2078233, 4156466, 10391165, 20782330]

約数ペア:

[(1, 20782330), (2, 10391165), (5, 4156466), (10, 2078233), (17, 1222490), (34, 611245), (43, 483310), (85, 244498), (86, 241655), (170, 122249), (215, 96662), (430, 48331), (731, 28430), (1462, 14215), (2843, 7310), (3655, 5686)]