20088337520

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{5839633}}^1$

素因数の和:5839689

約数の個数: 40

約数和(自身を含む): 47791564656

約数和(自身を除く): 27703227136

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 5839633, 11679266, 23358532, 29198165, 46717064, 58396330, 93434128, 116792660, 233585320, 251104219, 467170640, 502208438, 1004416876, 1255521095, 2008833752, 2511042190, 4017667504, 5022084380, 10044168760, 20088337520]

約数ペア:

[(1, 20088337520), (2, 10044168760), (4, 5022084380), (5, 4017667504), (8, 2511042190), (10, 2008833752), (16, 1255521095), (20, 1004416876), (40, 502208438), (43, 467170640), (80, 251104219), (86, 233585320), (172, 116792660), (215, 93434128), (344, 58396330), (430, 46717064), (688, 29198165), (860, 23358532), (1720, 11679266), (3440, 5839633)]