20158734249

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{43918811}}^1$

素因数の和:43918837

約数の個数: 16

約数和(自身を含む): 31621544640

約数和(自身を除く): 11462810391

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 43918811, 131756433, 395269299, 746619787, 1185807897, 2239859361, 6719578083, 20158734249]

約数ペア:

[(1, 20158734249), (3, 6719578083), (9, 2239859361), (17, 1185807897), (27, 746619787), (51, 395269299), (153, 131756433), (459, 43918811)]