20019795

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{78509}}^1$

素因数の和:78534

約数の個数: 16

約数和(自身を含む): 33916320

約数和(自身を除く): 13896525

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 78509, 235527, 392545, 1177635, 1334653, 4003959, 6673265, 20019795]

約数ペア:

[(1, 20019795), (3, 6673265), (5, 4003959), (15, 1334653), (17, 1177635), (51, 392545), (85, 235527), (255, 78509)]