20172052048

素因数分解:

$2^4\times {\mathrm{2309}}^1\times {\mathrm{546017}}^1$

素因数の和:548334

約数の個数: 20

約数和(自身を含む): 39100348980

約数和(自身を除く): 18928296932

約数列:

[1, 2, 4, 8, 16, 2309, 4618, 9236, 18472, 36944, 546017, 1092034, 2184068, 4368136, 8736272, 1260753253, 2521506506, 5043013012, 10086026024, 20172052048]

約数ペア:

[(1, 20172052048), (2, 10086026024), (4, 5043013012), (8, 2521506506), (16, 1260753253), (2309, 8736272), (4618, 4368136), (9236, 2184068), (18472, 1092034), (36944, 546017)]