20179897854

素因数分解:

$2^1\times 3^1\times {\mathrm{643}}^1\times {\mathrm{5230663}}^1$

素因数の和:5231311

約数の個数: 16

約数和(自身を含む): 40422571392

約数和(自身を除く): 20242673538

約数列:

[1, 2, 3, 6, 643, 1286, 1929, 3858, 5230663, 10461326, 15691989, 31383978, 3363316309, 6726632618, 10089948927, 20179897854]

約数ペア:

[(1, 20179897854), (2, 10089948927), (3, 6726632618), (6, 3363316309), (643, 31383978), (1286, 15691989), (1929, 10461326), (3858, 5230663)]