20528027956

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{270105631}}^1$

素因数の和:270105654

約数の個数: 12

約数和(自身を含む): 37814788480

約数和(自身を除く): 17286760524

約数列:

[1, 2, 4, 19, 38, 76, 270105631, 540211262, 1080422524, 5132006989, 10264013978, 20528027956]

約数ペア:

[(1, 20528027956), (2, 10264013978), (4, 5132006989), (19, 1080422524), (38, 540211262), (76, 270105631)]