20520076

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{270001}}^1$

素因数の和:270024

約数の個数: 12

約数和(自身を含む): 37800280

約数和(自身を除く): 17280204

約数列:

[1, 2, 4, 19, 38, 76, 270001, 540002, 1080004, 5130019, 10260038, 20520076]

約数ペア:

[(1, 20520076), (2, 10260038), (4, 5130019), (19, 1080004), (38, 540002), (76, 270001)]