20409876080

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23193041}}^1$

素因数の和:23193065

約数の個数: 40

約数和(自身を含む): 51766869744

約数和(自身を除く): 31356993664

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 23193041, 46386082, 92772164, 115965205, 185544328, 231930410, 255123451, 371088656, 463860820, 510246902, 927721640, 1020493804, 1275617255, 1855443280, 2040987608, 2551234510, 4081975216, 5102469020, 10204938040, 20409876080]

約数ペア:

[(1, 20409876080), (2, 10204938040), (4, 5102469020), (5, 4081975216), (8, 2551234510), (10, 2040987608), (11, 1855443280), (16, 1275617255), (20, 1020493804), (22, 927721640), (40, 510246902), (44, 463860820), (55, 371088656), (80, 255123451), (88, 231930410), (110, 185544328), (176, 115965205), (220, 92772164), (440, 46386082), (880, 23193041)]