20237721889

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{1612439}}^1$

素因数の和:1612620

約数の個数: 16

約数和(自身を含む): 25386255360

約数和(自身を除く): 5148533471

約数列:

[1, 7, 11, 77, 163, 1141, 1793, 12551, 1612439, 11287073, 17736829, 124157803, 262827557, 1839792899, 2891103127, 20237721889]

約数ペア:

[(1, 20237721889), (7, 2891103127), (11, 1839792899), (77, 262827557), (163, 124157803), (1141, 17736829), (1793, 11287073), (12551, 1612439)]