20287267

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{1559}}^1$

素因数の和:1603

約数の個数: 24

約数和(自身を含む): 27406080

約数和(自身を除く): 7118813

約数列:

[1, 7, 11, 13, 77, 91, 143, 169, 1001, 1183, 1559, 1859, 10913, 13013, 17149, 20267, 120043, 141869, 222937, 263471, 1560559, 1844297, 2898181, 20287267]

約数ペア:

[(1, 20287267), (7, 2898181), (11, 1844297), (13, 1560559), (77, 263471), (91, 222937), (143, 141869), (169, 120043), (1001, 20267), (1183, 17149), (1559, 13013), (1859, 10913)]