20161747280

素因数分解:

$2^4\times 5^1\times {\mathrm{252021841}}^1$

素因数の和:252021854

約数の個数: 20

約数和(自身を含む): 46876062612

約数和(自身を除く): 26714315332

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 252021841, 504043682, 1008087364, 1260109205, 2016174728, 2520218410, 4032349456, 5040436820, 10080873640, 20161747280]

約数ペア:

[(1, 20161747280), (2, 10080873640), (4, 5040436820), (5, 4032349456), (8, 2520218410), (10, 2016174728), (16, 1260109205), (20, 1008087364), (40, 504043682), (80, 252021841)]