20810810

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{29311}}^1$

素因数の和:29389

約数の個数: 16

約数和(自身を含む): 37988352

約数和(自身を除く): 17177542

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 29311, 58622, 146555, 293110, 2081081, 4162162, 10405405, 20810810]

約数ペア:

[(1, 20810810), (2, 10405405), (5, 4162162), (10, 2081081), (71, 293110), (142, 146555), (355, 58622), (710, 29311)]