20139030729

素因数分解:

$3^4\times {\mathrm{131}}^1\times {\mathrm{1897939}}^1$

素因数の和:1898082

約数の個数: 20

約数和(自身を含む): 30313897680

約数和(自身を除く): 10174866951

約数列:

[1, 3, 9, 27, 81, 131, 393, 1179, 3537, 10611, 1897939, 5693817, 17081451, 51244353, 153733059, 248630009, 745890027, 2237670081, 6713010243, 20139030729]

約数ペア:

[(1, 20139030729), (3, 6713010243), (9, 2237670081), (27, 745890027), (81, 248630009), (131, 153733059), (393, 51244353), (1179, 17081451), (3537, 5693817), (10611, 1897939)]