20693105

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{883}}^1$

素因数の和:1040

約数の個数: 16

約数和(自身を含む): 25671360

約数和(自身を除く): 4978255

約数列:

[1, 5, 43, 109, 215, 545, 883, 4415, 4687, 23435, 37969, 96247, 189845, 481235, 4138621, 20693105]

約数ペア:

[(1, 20693105), (5, 4138621), (43, 481235), (109, 189845), (215, 96247), (545, 37969), (883, 23435), (4415, 4687)]