20145793509

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{131671853}}^1$

素因数の和:131671876

約数の個数: 12

約数和(自身を含む): 30811213836

約数和(自身を除く): 10665420327

約数列:

[1, 3, 9, 17, 51, 153, 131671853, 395015559, 1185046677, 2238421501, 6715264503, 20145793509]

約数ペア:

[(1, 20145793509), (3, 6715264503), (9, 2238421501), (17, 1185046677), (51, 395015559), (153, 131671853)]