20196620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53149}}^1$

素因数の和:53177

約数の個数: 24

約数和(自身を含む): 44646000

約数和(自身を除く): 24449380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 53149, 106298, 212596, 265745, 531490, 1009831, 1062980, 2019662, 4039324, 5049155, 10098310, 20196620]

約数ペア:

[(1, 20196620), (2, 10098310), (4, 5049155), (5, 4039324), (10, 2019662), (19, 1062980), (20, 1009831), (38, 531490), (76, 265745), (95, 212596), (190, 106298), (380, 53149)]