20219188880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{22976351}}^1$

素因数の和:22976375

約数の個数: 40

約数和(自身を含む): 51283217664

約数和(自身を除く): 31064028784

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 22976351, 45952702, 91905404, 114881755, 183810808, 229763510, 252739861, 367621616, 459527020, 505479722, 919054040, 1010959444, 1263699305, 1838108080, 2021918888, 2527398610, 4043837776, 5054797220, 10109594440, 20219188880]

約数ペア:

[(1, 20219188880), (2, 10109594440), (4, 5054797220), (5, 4043837776), (8, 2527398610), (10, 2021918888), (11, 1838108080), (16, 1263699305), (20, 1010959444), (22, 919054040), (40, 505479722), (44, 459527020), (55, 367621616), (80, 252739861), (88, 229763510), (110, 183810808), (176, 114881755), (220, 91905404), (440, 45952702), (880, 22976351)]