20500406

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{3253}}^1$

素因数の和:3415

約数の個数: 16

約数和(自身を含む): 32331744

約数和(自身を除く): 11831338

約数列:

[1, 2, 23, 46, 137, 274, 3151, 3253, 6302, 6506, 74819, 149638, 445661, 891322, 10250203, 20500406]

約数ペア:

[(1, 20500406), (2, 10250203), (23, 891322), (46, 445661), (137, 149638), (274, 74819), (3151, 6506), (3253, 6302)]