27720571004

素因数分解:

$2^2\times 7^1\times {\mathrm{990020393}}^1$

素因数の和:990020404

約数の個数: 12

約数和(自身を含む): 55441142064

約数和(自身を除く): 27720571060

約数列:

[1, 2, 4, 7, 14, 28, 990020393, 1980040786, 3960081572, 6930142751, 13860285502, 27720571004]

約数ペア:

[(1, 27720571004), (2, 13860285502), (4, 6930142751), (7, 3960081572), (14, 1980040786), (28, 990020393)]