20184888

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{19559}}^1$

素因数の和:19611

約数の個数: 32

約数和(自身を含む): 51638400

約数和(自身を除く): 31453512

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 129, 172, 258, 344, 516, 1032, 19559, 39118, 58677, 78236, 117354, 156472, 234708, 469416, 841037, 1682074, 2523111, 3364148, 5046222, 6728296, 10092444, 20184888]

約数ペア:

[(1, 20184888), (2, 10092444), (3, 6728296), (4, 5046222), (6, 3364148), (8, 2523111), (12, 1682074), (24, 841037), (43, 469416), (86, 234708), (129, 156472), (172, 117354), (258, 78236), (344, 58677), (516, 39118), (1032, 19559)]