20456906

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{1873}}^1$

素因数の和:2045

約数の個数: 16

約数和(自身を含む): 31663104

約数和(自身を除く): 11206198

約数列:

[1, 2, 43, 86, 127, 254, 1873, 3746, 5461, 10922, 80539, 161078, 237871, 475742, 10228453, 20456906]

約数ペア:

[(1, 20456906), (2, 10228453), (43, 475742), (86, 237871), (127, 161078), (254, 80539), (1873, 10922), (3746, 5461)]