20990068

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{477047}}^1$

素因数の和:477062

約数の個数: 12

約数和(自身を含む): 40072032

約数和(自身を除く): 19081964

約数列:

[1, 2, 4, 11, 22, 44, 477047, 954094, 1908188, 5247517, 10495034, 20990068]

約数ペア:

[(1, 20990068), (2, 10495034), (4, 5247517), (11, 1908188), (22, 954094), (44, 477047)]