16720396

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{54287}}^1$

素因数の和:54309

約数の個数: 24

約数和(自身を含む): 36481536

約数和(自身を除く): 19761140

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 54287, 108574, 217148, 380009, 597157, 760018, 1194314, 1520036, 2388628, 4180099, 8360198, 16720396]

約数ペア:

[(1, 16720396), (2, 8360198), (4, 4180099), (7, 2388628), (11, 1520036), (14, 1194314), (22, 760018), (28, 597157), (44, 380009), (77, 217148), (154, 108574), (308, 54287)]