20199427280

素因数分解:

$2^4\times 5^1\times {\mathrm{252492841}}^1$

素因数の和:252492854

約数の個数: 20

約数和(自身を含む): 46963668612

約数和(自身を除く): 26764241332

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 252492841, 504985682, 1009971364, 1262464205, 2019942728, 2524928410, 4039885456, 5049856820, 10099713640, 20199427280]

約数ペア:

[(1, 20199427280), (2, 10099713640), (4, 5049856820), (5, 4039885456), (8, 2524928410), (10, 2019942728), (16, 1262464205), (20, 1009971364), (40, 504985682), (80, 252492841)]