20657118

素因数分解:

$2^1\times 3^1\times {\mathrm{157}}^1\times {\mathrm{21929}}^1$

素因数の和:22091

約数の個数: 16

約数和(自身を含む): 41579280

約数和(自身を除く): 20922162

約数列:

[1, 2, 3, 6, 157, 314, 471, 942, 21929, 43858, 65787, 131574, 3442853, 6885706, 10328559, 20657118]

約数ペア:

[(1, 20657118), (2, 10328559), (3, 6885706), (6, 3442853), (157, 131574), (314, 65787), (471, 43858), (942, 21929)]