20605039

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{4621}}^1$

素因数の和:4655

約数の個数: 16

約数和(自身を含む): 25883200

約数和(自身を除く): 5278161

約数列:

[1, 7, 13, 49, 91, 343, 637, 4459, 4621, 32347, 60073, 226429, 420511, 1585003, 2943577, 20605039]

約数ペア:

[(1, 20605039), (7, 2943577), (13, 1585003), (49, 420511), (91, 226429), (343, 60073), (637, 32347), (4459, 4621)]