20028148

素因数分解:

$2^2\times 7^1\times {\mathrm{331}}^1\times {\mathrm{2161}}^1$

素因数の和:2503

約数の個数: 24

約数和(自身を含む): 40195904

約数和(自身を除く): 20167756

約数列:

[1, 2, 4, 7, 14, 28, 331, 662, 1324, 2161, 2317, 4322, 4634, 8644, 9268, 15127, 30254, 60508, 715291, 1430582, 2861164, 5007037, 10014074, 20028148]

約数ペア:

[(1, 20028148), (2, 10014074), (4, 5007037), (7, 2861164), (14, 1430582), (28, 715291), (331, 60508), (662, 30254), (1324, 15127), (2161, 9268), (2317, 8644), (4322, 4634)]