20684510

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{26863}}^1$

素因数の和:26888

約数の個数: 32

約数和(自身を含む): 46420992

約数和(自身を除く): 25736482

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 26863, 53726, 134315, 188041, 268630, 295493, 376082, 590986, 940205, 1477465, 1880410, 2068451, 2954930, 4136902, 10342255, 20684510]

約数ペア:

[(1, 20684510), (2, 10342255), (5, 4136902), (7, 2954930), (10, 2068451), (11, 1880410), (14, 1477465), (22, 940205), (35, 590986), (55, 376082), (70, 295493), (77, 268630), (110, 188041), (154, 134315), (385, 53726), (770, 26863)]