20187145

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{6221}}^1$

素因数の和:6296

約数の個数: 16

約数和(自身を含む): 26879040

約数和(自身を除く): 6691895

約数列:

[1, 5, 11, 55, 59, 295, 649, 3245, 6221, 31105, 68431, 342155, 367039, 1835195, 4037429, 20187145]

約数ペア:

[(1, 20187145), (5, 4037429), (11, 1835195), (55, 367039), (59, 342155), (295, 68431), (649, 31105), (3245, 6221)]