20002087

素因数分解:

$7^1\times {\mathrm{83}}^1\times {\mathrm{173}}^1\times {\mathrm{199}}^1$

素因数の和:462

約数の個数: 16

約数和(自身を含む): 23385600

約数和(自身を除く): 3383513

約数列:

[1, 7, 83, 173, 199, 581, 1211, 1393, 14359, 16517, 34427, 100513, 115619, 240989, 2857441, 20002087]

約数ペア:

[(1, 20002087), (7, 2857441), (83, 240989), (173, 115619), (199, 100513), (581, 34427), (1211, 16517), (1393, 14359)]