20527585

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{1429}}^1$

素因数の和:1477

約数の個数: 24

約数和(自身を含む): 28262520

約数和(自身を除く): 7734935

約数列:

[1, 5, 13, 17, 65, 85, 169, 221, 845, 1105, 1429, 2873, 7145, 14365, 18577, 24293, 92885, 121465, 241501, 315809, 1207505, 1579045, 4105517, 20527585]

約数ペア:

[(1, 20527585), (5, 4105517), (13, 1579045), (17, 1207505), (65, 315809), (85, 241501), (169, 121465), (221, 92885), (845, 24293), (1105, 18577), (1429, 14365), (2873, 7145)]