20171810

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{28411}}^1$

素因数の和:28489

約数の個数: 16

約数和(自身を含む): 36821952

約数和(自身を除く): 16650142

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 28411, 56822, 142055, 284110, 2017181, 4034362, 10085905, 20171810]

約数ペア:

[(1, 20171810), (2, 10085905), (5, 4034362), (10, 2017181), (71, 284110), (142, 142055), (355, 56822), (710, 28411)]