20687458

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{6311}}^1$

素因数の和:6473

約数の個数: 16

約数和(自身を含む): 34084800

約数和(自身を除く): 13397342

約数列:

[1, 2, 11, 22, 149, 298, 1639, 3278, 6311, 12622, 69421, 138842, 940339, 1880678, 10343729, 20687458]

約数ペア:

[(1, 20687458), (2, 10343729), (11, 1880678), (22, 940339), (149, 138842), (298, 69421), (1639, 12622), (3278, 6311)]