20149655

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{227}}^1\times {\mathrm{433}}^1$

素因数の和:706

約数の個数: 16

約数和(自身を含む): 24935904

約数和(自身を除く): 4786249

約数列:

[1, 5, 41, 205, 227, 433, 1135, 2165, 9307, 17753, 46535, 88765, 98291, 491455, 4029931, 20149655]

約数ペア:

[(1, 20149655), (5, 4029931), (41, 491455), (205, 98291), (227, 88765), (433, 46535), (1135, 17753), (2165, 9307)]