20493069

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{6907}}^1$

素因数の和:6976

約数の個数: 16

約数和(自身を含む): 29179392

約数和(自身を除く): 8686323

約数列:

[1, 3, 23, 43, 69, 129, 989, 2967, 6907, 20721, 158861, 297001, 476583, 891003, 6831023, 20493069]

約数ペア:

[(1, 20493069), (3, 6831023), (23, 891003), (43, 476583), (69, 297001), (129, 158861), (989, 20721), (2967, 6907)]