20877716495

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{449}}^1\times {\mathrm{130981}}^1$

素因数の和:131506

約数の個数: 16

約数和(自身を含む): 25462900800

約数和(自身を除く): 4585184305

約数列:

[1, 5, 71, 355, 449, 2245, 31879, 130981, 159395, 654905, 9299651, 46498255, 58810469, 294052345, 4175543299, 20877716495]

約数ペア:

[(1, 20877716495), (5, 4175543299), (71, 294052345), (355, 58810469), (449, 46498255), (2245, 9299651), (31879, 654905), (130981, 159395)]