20109466

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{17987}}^1$

素因数の和:18045

約数の個数: 16

約数和(自身を含む): 33241824

約数和(自身を除く): 13132358

約数列:

[1, 2, 13, 26, 43, 86, 559, 1118, 17987, 35974, 233831, 467662, 773441, 1546882, 10054733, 20109466]

約数ペア:

[(1, 20109466), (2, 10054733), (13, 1546882), (26, 773441), (43, 467662), (86, 233831), (559, 35974), (1118, 17987)]