20518487

素因数分解:

${\mathrm{11}}^1\times {\mathrm{109}}^2\times {\mathrm{157}}^1$

素因数の和:386

約数の個数: 12

約数和(自身を含む): 22734936

約数和(自身を除く): 2216449

約数列:

[1, 11, 109, 157, 1199, 1727, 11881, 17113, 130691, 188243, 1865317, 20518487]

約数ペア:

[(1, 20518487), (11, 1865317), (109, 188243), (157, 130691), (1199, 17113), (1727, 11881)]