20682970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{26861}}^1$

素因数の和:26886

約数の個数: 32

約数和(自身を含む): 46417536

約数和(自身を除く): 25734566

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 26861, 53722, 134305, 188027, 268610, 295471, 376054, 590942, 940135, 1477355, 1880270, 2068297, 2954710, 4136594, 10341485, 20682970]

約数ペア:

[(1, 20682970), (2, 10341485), (5, 4136594), (7, 2954710), (10, 2068297), (11, 1880270), (14, 1477355), (22, 940135), (35, 590942), (55, 376054), (70, 295471), (77, 268610), (110, 188027), (154, 134305), (385, 53722), (770, 26861)]