20161784019

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{7281251}}^1$

素因数の和:7281338

約数の個数: 16

約数和(自身を含む): 29358008064

約数和(自身を除く): 9196224045

約数列:

[1, 3, 13, 39, 71, 213, 923, 2769, 7281251, 21843753, 94656263, 283968789, 516968821, 1550906463, 6720594673, 20161784019]

約数ペア:

[(1, 20161784019), (3, 6720594673), (13, 1550906463), (39, 516968821), (71, 283968789), (213, 94656263), (923, 21843753), (2769, 7281251)]