20768914

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:250

約数の個数: 32

約数和(自身を含む): 33587136

約数和(自身を除く): 12818222

約数列:

[1, 2, 37, 43, 61, 74, 86, 107, 122, 214, 1591, 2257, 2623, 3182, 3959, 4514, 4601, 5246, 6527, 7918, 9202, 13054, 97051, 170237, 194102, 241499, 280661, 340474, 482998, 561322, 10384457, 20768914]

約数ペア:

[(1, 20768914), (2, 10384457), (37, 561322), (43, 482998), (61, 340474), (74, 280661), (86, 241499), (107, 194102), (122, 170237), (214, 97051), (1591, 13054), (2257, 9202), (2623, 7918), (3182, 6527), (3959, 5246), (4514, 4601)]