20553805

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{587}}^1$

素因数の和:788

約数の個数: 16

約数和(自身を含む): 25401600

約数和(自身を除く): 4847795

約数列:

[1, 5, 47, 149, 235, 587, 745, 2935, 7003, 27589, 35015, 87463, 137945, 437315, 4110761, 20553805]

約数ペア:

[(1, 20553805), (5, 4110761), (47, 437315), (149, 137945), (235, 87463), (587, 35015), (745, 27589), (2935, 7003)]