20451234

素因数分解:

$2^1\times 3^1\times {\mathrm{109}}^1\times {\mathrm{31271}}^1$

素因数の和:31385

約数の個数: 16

約数和(自身を含む): 41279040

約数和(自身を除く): 20827806

約数列:

[1, 2, 3, 6, 109, 218, 327, 654, 31271, 62542, 93813, 187626, 3408539, 6817078, 10225617, 20451234]

約数ペア:

[(1, 20451234), (2, 10225617), (3, 6817078), (6, 3408539), (109, 187626), (218, 93813), (327, 62542), (654, 31271)]