2156620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{6343}}^1$

素因数の和:6369

約数の個数: 24

約数和(自身を含む): 4796064

約数和(自身を除く): 2639444

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 6343, 12686, 25372, 31715, 63430, 107831, 126860, 215662, 431324, 539155, 1078310, 2156620]

約数ペア:

[(1, 2156620), (2, 1078310), (4, 539155), (5, 431324), (10, 215662), (17, 126860), (20, 107831), (34, 63430), (68, 31715), (85, 25372), (170, 12686), (340, 6343)]