820804540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2414131}}^1$

素因数の和:2414157

約数の個数: 24

約数和(自身を含む): 1825083792

約数和(自身を除く): 1004279252

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 2414131, 4828262, 9656524, 12070655, 24141310, 41040227, 48282620, 82080454, 164160908, 205201135, 410402270, 820804540]

約数ペア:

[(1, 820804540), (2, 410402270), (4, 205201135), (5, 164160908), (10, 82080454), (17, 48282620), (20, 41040227), (34, 24141310), (68, 12070655), (85, 9656524), (170, 4828262), (340, 2414131)]