20656208

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{56131}}^1$

素因数の和:56162

約数の個数: 20

約数和(自身を含む): 41762208

約数和(自身を除く): 21106000

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 56131, 112262, 224524, 449048, 898096, 1291013, 2582026, 5164052, 10328104, 20656208]

約数ペア:

[(1, 20656208), (2, 10328104), (4, 5164052), (8, 2582026), (16, 1291013), (23, 898096), (46, 449048), (92, 224524), (184, 112262), (368, 56131)]