9861220

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{4787}}^1$

素因数の和:4899

約数の個数: 24

約数和(自身を含む): 20913984

約数和(自身を除く): 11052764

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 4787, 9574, 19148, 23935, 47870, 95740, 493061, 986122, 1972244, 2465305, 4930610, 9861220]

約数ペア:

[(1, 9861220), (2, 4930610), (4, 2465305), (5, 1972244), (10, 986122), (20, 493061), (103, 95740), (206, 47870), (412, 23935), (515, 19148), (1030, 9574), (2060, 4787)]