20734021

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{4019}}^1$

素因数の和:4104

約数の個数: 16

約数和(自身を含む): 26242560

約数和(自身を除く): 5508539

約数列:

[1, 7, 11, 67, 77, 469, 737, 4019, 5159, 28133, 44209, 269273, 309463, 1884911, 2962003, 20734021]

約数ペア:

[(1, 20734021), (7, 2962003), (11, 1884911), (67, 309463), (77, 269273), (469, 44209), (737, 28133), (4019, 5159)]