20940268

素因数分解:

$2^2\times {\mathrm{127}}^1\times {\mathrm{41221}}^1$

素因数の和:41352

約数の個数: 12

約数和(自身を含む): 36934912

約数和(自身を除く): 15994644

約数列:

[1, 2, 4, 127, 254, 508, 41221, 82442, 164884, 5235067, 10470134, 20940268]

約数ペア:

[(1, 20940268), (2, 10470134), (4, 5235067), (127, 164884), (254, 82442), (508, 41221)]