20338444

素因数分解:

$2^2\times 7^1\times {\mathrm{191}}^1\times {\mathrm{3803}}^1$

素因数の和:4005

約数の個数: 24

約数和(自身を含む): 40900608

約数和(自身を除く): 20562164

約数列:

[1, 2, 4, 7, 14, 28, 191, 382, 764, 1337, 2674, 3803, 5348, 7606, 15212, 26621, 53242, 106484, 726373, 1452746, 2905492, 5084611, 10169222, 20338444]

約数ペア:

[(1, 20338444), (2, 10169222), (4, 5084611), (7, 2905492), (14, 1452746), (28, 726373), (191, 106484), (382, 53242), (764, 26621), (1337, 15212), (2674, 7606), (3803, 5348)]