20540810

素因数分解:

$2^1\times 5^1\times {\mathrm{439}}^1\times {\mathrm{4679}}^1$

素因数の和:5125

約数の個数: 16

約数和(自身を含む): 37065600

約数和(自身を除く): 16524790

約数列:

[1, 2, 5, 10, 439, 878, 2195, 4390, 4679, 9358, 23395, 46790, 2054081, 4108162, 10270405, 20540810]

約数ペア:

[(1, 20540810), (2, 10270405), (5, 4108162), (10, 2054081), (439, 46790), (878, 23395), (2195, 9358), (4390, 4679)]