20196639

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{1423}}^1$

素因数の和:1531

約数の個数: 24

約数和(自身を含む): 31100160

約数和(自身を除く): 10903521

約数列:

[1, 3, 9, 19, 57, 83, 171, 249, 747, 1423, 1577, 4269, 4731, 12807, 14193, 27037, 81111, 118109, 243333, 354327, 1062981, 2244071, 6732213, 20196639]

約数ペア:

[(1, 20196639), (3, 6732213), (9, 2244071), (19, 1062981), (57, 354327), (83, 243333), (171, 118109), (249, 81111), (747, 27037), (1423, 14193), (1577, 12807), (4269, 4731)]