20138924

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{1607}}^1$

素因数の和:1865

約数の個数: 24

約数和(自身を含む): 38135328

約数和(自身を除く): 17996404

約数列:

[1, 2, 4, 13, 26, 52, 241, 482, 964, 1607, 3133, 3214, 6266, 6428, 12532, 20891, 41782, 83564, 387287, 774574, 1549148, 5034731, 10069462, 20138924]

約数ペア:

[(1, 20138924), (2, 10069462), (4, 5034731), (13, 1549148), (26, 774574), (52, 387287), (241, 83564), (482, 41782), (964, 20891), (1607, 12532), (3133, 6428), (3214, 6266)]