20942554

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{2011}}^1$

素因数の和:2181

約数の個数: 16

約数和(自身を含む): 32449536

約数和(自身を除く): 11506982

約数列:

[1, 2, 41, 82, 127, 254, 2011, 4022, 5207, 10414, 82451, 164902, 255397, 510794, 10471277, 20942554]

約数ペア:

[(1, 20942554), (2, 10471277), (41, 510794), (82, 255397), (127, 164902), (254, 82451), (2011, 10414), (4022, 5207)]