20165357780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53066731}}^1$

素因数の和:53066759

約数の個数: 24

約数和(自身を含む): 44576054880

約数和(自身を除く): 24410697100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 53066731, 106133462, 212266924, 265333655, 530667310, 1008267889, 1061334620, 2016535778, 4033071556, 5041339445, 10082678890, 20165357780]

約数ペア:

[(1, 20165357780), (2, 10082678890), (4, 5041339445), (5, 4033071556), (10, 2016535778), (19, 1061334620), (20, 1008267889), (38, 530667310), (76, 265333655), (95, 212266924), (190, 106133462), (380, 53066731)]