12020865

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{18637}}^1$

素因数の和:18688

約数の個数: 16

約数和(自身を含む): 19681728

約数和(自身を除く): 7660863

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 18637, 55911, 93185, 279555, 801391, 2404173, 4006955, 12020865]

約数ペア:

[(1, 12020865), (3, 4006955), (5, 2404173), (15, 801391), (43, 279555), (129, 93185), (215, 55911), (645, 18637)]