20171901590

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{28411129}}^1$

素因数の和:28411207

約数の個数: 16

約数和(自身を含む): 36820824480

約数和(自身を除く): 16648922890

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 28411129, 56822258, 142055645, 284111290, 2017190159, 4034380318, 10085950795, 20171901590]

約数ペア:

[(1, 20171901590), (2, 10085950795), (5, 4034380318), (10, 2017190159), (71, 284111290), (142, 142055645), (355, 56822258), (710, 28411129)]