20199786291

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{44008249}}^1$

素因数の和:44008275

約数の個数: 16

約数和(自身を含む): 31685940000

約数和(自身を除く): 11486153709

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 44008249, 132024747, 396074241, 748140233, 1188222723, 2244420699, 6733262097, 20199786291]

約数ペア:

[(1, 20199786291), (3, 6733262097), (9, 2244420699), (17, 1188222723), (27, 748140233), (51, 396074241), (153, 132024747), (459, 44008249)]