20184590

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{28429}}^1$

素因数の和:28507

約数の個数: 16

約数和(自身を含む): 36845280

約数和(自身を除く): 16660690

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 28429, 56858, 142145, 284290, 2018459, 4036918, 10092295, 20184590]

約数ペア:

[(1, 20184590), (2, 10092295), (5, 4036918), (10, 2018459), (71, 284290), (142, 142145), (355, 56858), (710, 28429)]