20196709

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1\times {\mathrm{211}}^1$

素因数の和:460

約数の個数: 16

約数和(自身を含む): 22556800

約数和(自身を除く): 2360091

約数列:

[1, 13, 37, 199, 211, 481, 2587, 2743, 7363, 7807, 41989, 95719, 101491, 545857, 1553593, 20196709]

約数ペア:

[(1, 20196709), (13, 1553593), (37, 545857), (199, 101491), (211, 95719), (481, 41989), (2587, 7807), (2743, 7363)]