20404686

素因数分解:

$2^1\times 3^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{859}}^1$

素因数の和:1008

約数の個数: 32

約数和(自身を含む): 42353280

約数和(自身を除く): 21948594

約数列:

[1, 2, 3, 6, 37, 74, 107, 111, 214, 222, 321, 642, 859, 1718, 2577, 3959, 5154, 7918, 11877, 23754, 31783, 63566, 91913, 95349, 183826, 190698, 275739, 551478, 3400781, 6801562, 10202343, 20404686]

約数ペア:

[(1, 20404686), (2, 10202343), (3, 6801562), (6, 3400781), (37, 551478), (74, 275739), (107, 190698), (111, 183826), (214, 95349), (222, 91913), (321, 63566), (642, 31783), (859, 23754), (1718, 11877), (2577, 7918), (3959, 5154)]