20512393

素因数分解:

${\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{499}}^1$

素因数の和:648

約数の個数: 16

約数和(自身を含む): 23256000

約数和(自身を除く): 2743607

約数列:

[1, 11, 37, 101, 407, 499, 1111, 3737, 5489, 18463, 41107, 50399, 203093, 554389, 1864763, 20512393]

約数ペア:

[(1, 20512393), (11, 1864763), (37, 554389), (101, 203093), (407, 50399), (499, 41107), (1111, 18463), (3737, 5489)]