20398792

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{110863}}^1$

素因数の和:110892

約数の個数: 16

約数和(自身を含む): 39911040

約数和(自身を除く): 19512248

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 110863, 221726, 443452, 886904, 2549849, 5099698, 10199396, 20398792]

約数ペア:

[(1, 20398792), (2, 10199396), (4, 5099698), (8, 2549849), (23, 886904), (46, 443452), (92, 221726), (184, 110863)]