20408690

素因数分解:

$2^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{34591}}^1$

素因数の和:34657

約数の個数: 16

約数和(自身を含む): 37359360

約数和(自身を除く): 16950670

約数列:

[1, 2, 5, 10, 59, 118, 295, 590, 34591, 69182, 172955, 345910, 2040869, 4081738, 10204345, 20408690]

約数ペア:

[(1, 20408690), (2, 10204345), (5, 4081738), (10, 2040869), (59, 345910), (118, 172955), (295, 69182), (590, 34591)]