20874049

素因数分解:

$7^2\times {\mathrm{43}}^1\times {\mathrm{9907}}^1$

素因数の和:9964

約数の個数: 12

約数和(自身を含む): 24849264

約数和(自身を除く): 3975215

約数列:

[1, 7, 43, 49, 301, 2107, 9907, 69349, 426001, 485443, 2982007, 20874049]

約数ペア:

[(1, 20874049), (7, 2982007), (43, 485443), (49, 426001), (301, 69349), (2107, 9907)]