20543806

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{3803}}^1$

素因数の和:3915

約数の個数: 16

約数和(自身を含む): 32090544

約数和(自身を除く): 11546738

約数列:

[1, 2, 37, 73, 74, 146, 2701, 3803, 5402, 7606, 140711, 277619, 281422, 555238, 10271903, 20543806]

約数ペア:

[(1, 20543806), (2, 10271903), (37, 555238), (73, 281422), (74, 277619), (146, 140711), (2701, 7606), (3803, 5402)]