20021617

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{6047}}^1$

素因数の和:6108

約数の個数: 16

約数和(自身を含む): 25546752

約数和(自身を除く): 5525135

約数列:

[1, 7, 11, 43, 77, 301, 473, 3311, 6047, 42329, 66517, 260021, 465619, 1820147, 2860231, 20021617]

約数ペア:

[(1, 20021617), (7, 2860231), (11, 1820147), (43, 465619), (77, 260021), (301, 66517), (473, 42329), (3311, 6047)]