20994786

素因数分解:

$2^1\times 3^2\times {\mathrm{857}}^1\times {\mathrm{1361}}^1$

素因数の和:2226

約数の個数: 24

約数和(自身を含む): 45575244

約数和(自身を除く): 24580458

約数列:

[1, 2, 3, 6, 9, 18, 857, 1361, 1714, 2571, 2722, 4083, 5142, 7713, 8166, 12249, 15426, 24498, 1166377, 2332754, 3499131, 6998262, 10497393, 20994786]

約数ペア:

[(1, 20994786), (2, 10497393), (3, 6998262), (6, 3499131), (9, 2332754), (18, 1166377), (857, 24498), (1361, 15426), (1714, 12249), (2571, 8166), (2722, 7713), (4083, 5142)]