20145356

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{65407}}^1$

素因数の和:65429

約数の個数: 24

約数和(自身を含む): 43954176

約数和(自身を除く): 23808820

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 65407, 130814, 261628, 457849, 719477, 915698, 1438954, 1831396, 2877908, 5036339, 10072678, 20145356]

約数ペア:

[(1, 20145356), (2, 10072678), (4, 5036339), (7, 2877908), (11, 1831396), (14, 1438954), (22, 915698), (28, 719477), (44, 457849), (77, 261628), (154, 130814), (308, 65407)]