20560033

素因数分解:

${\mathrm{13}}^2\times {\mathrm{19}}^2\times {\mathrm{337}}^1$

素因数の和:401

約数の個数: 18

約数和(自身を含む): 23566374

約数和(自身を除く): 3006341

約数列:

[1, 13, 19, 169, 247, 337, 361, 3211, 4381, 4693, 6403, 56953, 61009, 83239, 121657, 1082107, 1581541, 20560033]

約数ペア:

[(1, 20560033), (13, 1581541), (19, 1082107), (169, 121657), (247, 83239), (337, 61009), (361, 56953), (3211, 6403), (4381, 4693)]