20045181

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{11953}}^1$

素因数の和:12012

約数の個数: 16

約数和(自身を含む): 29454656

約数和(自身を除く): 9409475

約数列:

[1, 3, 13, 39, 43, 129, 559, 1677, 11953, 35859, 155389, 466167, 513979, 1541937, 6681727, 20045181]

約数ペア:

[(1, 20045181), (3, 6681727), (13, 1541937), (39, 513979), (43, 466167), (129, 155389), (559, 35859), (1677, 11953)]