20691121

素因数分解:

${\mathrm{11}}^2\times {\mathrm{271}}^1\times {\mathrm{631}}^1$

素因数の和:924

約数の個数: 12

約数和(自身を含む): 22863232

約数和(自身を除く): 2172111

約数列:

[1, 11, 121, 271, 631, 2981, 6941, 32791, 76351, 171001, 1881011, 20691121]

約数ペア:

[(1, 20691121), (11, 1881011), (121, 171001), (271, 76351), (631, 32791), (2981, 6941)]