20351805

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79811}}^1$

素因数の和:79836

約数の個数: 16

約数和(自身を含む): 34478784

約数和(自身を除く): 14126979

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 79811, 239433, 399055, 1197165, 1356787, 4070361, 6783935, 20351805]

約数ペア:

[(1, 20351805), (3, 6783935), (5, 4070361), (15, 1356787), (17, 1197165), (51, 399055), (85, 239433), (255, 79811)]