20109368

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{147863}}^1$

素因数の和:147886

約数の個数: 16

約数和(自身を含む): 39923280

約数和(自身を除く): 19813912

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 147863, 295726, 591452, 1182904, 2513671, 5027342, 10054684, 20109368]

約数ペア:

[(1, 20109368), (2, 10054684), (4, 5027342), (8, 2513671), (17, 1182904), (34, 591452), (68, 295726), (136, 147863)]