20604706

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{2011}}^1$

素因数の和:2169

約数の個数: 16

約数和(自身を含む): 31870080

約数和(自身を除く): 11265374

約数列:

[1, 2, 47, 94, 109, 218, 2011, 4022, 5123, 10246, 94517, 189034, 219199, 438398, 10302353, 20604706]

約数ペア:

[(1, 20604706), (2, 10302353), (47, 438398), (94, 219199), (109, 189034), (218, 94517), (2011, 10246), (4022, 5123)]