20111954941

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{1281751}}^1$

素因数の和:1281852

約数の個数: 16

約数和(自身を含む): 23256108288

約数和(自身を除く): 3144153347

約数列:

[1, 13, 17, 71, 221, 923, 1207, 15691, 1281751, 16662763, 21789767, 91004321, 283266971, 1183056173, 1547073457, 20111954941]

約数ペア:

[(1, 20111954941), (13, 1547073457), (17, 1183056173), (71, 283266971), (221, 91004321), (923, 21789767), (1207, 16662763), (15691, 1281751)]