16420828

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{223}}^1\times {\mathrm{449}}^1$

素因数の和:717

約数の個数: 24

約数和(自身を含む): 29635200

約数和(自身を除く): 13214372

約数列:

[1, 2, 4, 41, 82, 164, 223, 446, 449, 892, 898, 1796, 9143, 18286, 18409, 36572, 36818, 73636, 100127, 200254, 400508, 4105207, 8210414, 16420828]

約数ペア:

[(1, 16420828), (2, 8210414), (4, 4105207), (41, 400508), (82, 200254), (164, 100127), (223, 73636), (446, 36818), (449, 36572), (892, 18409), (898, 18286), (1796, 9143)]