20111792391

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{117612821}}^1$

素因数の和:117612846

約数の個数: 12

約数和(自身を含む): 30579333720

約数和(自身を除く): 10467541329

約数列:

[1, 3, 9, 19, 57, 171, 117612821, 352838463, 1058515389, 2234643599, 6703930797, 20111792391]

約数ペア:

[(1, 20111792391), (3, 6703930797), (9, 2234643599), (19, 1058515389), (57, 352838463), (171, 117612821)]