20448890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{26557}}^1$

素因数の和:26582

約数の個数: 32

約数和(自身を含む): 45892224

約数和(自身を除く): 25443334

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 26557, 53114, 132785, 185899, 265570, 292127, 371798, 584254, 929495, 1460635, 1858990, 2044889, 2921270, 4089778, 10224445, 20448890]

約数ペア:

[(1, 20448890), (2, 10224445), (5, 4089778), (7, 2921270), (10, 2044889), (11, 1858990), (14, 1460635), (22, 929495), (35, 584254), (55, 371798), (70, 292127), (77, 265570), (110, 185899), (154, 132785), (385, 53114), (770, 26557)]