20012707

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{401}}^1$

素因数の和:774

約数の個数: 16

約数和(自身を含む): 23637600

約数和(自身を除く): 3624893

約数列:

[1, 11, 13, 143, 349, 401, 3839, 4411, 4537, 5213, 49907, 57343, 139949, 1539439, 1819337, 20012707]

約数ペア:

[(1, 20012707), (11, 1819337), (13, 1539439), (143, 139949), (349, 57343), (401, 49907), (3839, 5213), (4411, 4537)]