20217510

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{5479}}^1$

素因数の和:5533

約数の個数: 48

約数和(自身を含む): 53857440

約数和(自身を除く): 33639930

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 41, 45, 82, 90, 123, 205, 246, 369, 410, 615, 738, 1230, 1845, 3690, 5479, 10958, 16437, 27395, 32874, 49311, 54790, 82185, 98622, 164370, 224639, 246555, 449278, 493110, 673917, 1123195, 1347834, 2021751, 2246390, 3369585, 4043502, 6739170, 10108755, 20217510]

約数ペア:

[(1, 20217510), (2, 10108755), (3, 6739170), (5, 4043502), (6, 3369585), (9, 2246390), (10, 2021751), (15, 1347834), (18, 1123195), (30, 673917), (41, 493110), (45, 449278), (82, 246555), (90, 224639), (123, 164370), (205, 98622), (246, 82185), (369, 54790), (410, 49311), (615, 32874), (738, 27395), (1230, 16437), (1845, 10958), (3690, 5479)]