20711288

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{15319}}^1$

素因数の和:15351

約数の個数: 24

約数和(自身を含む): 42053400

約数和(自身を除く): 21342112

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 676, 1352, 15319, 30638, 61276, 122552, 199147, 398294, 796588, 1593176, 2588911, 5177822, 10355644, 20711288]

約数ペア:

[(1, 20711288), (2, 10355644), (4, 5177822), (8, 2588911), (13, 1593176), (26, 796588), (52, 398294), (104, 199147), (169, 122552), (338, 61276), (676, 30638), (1352, 15319)]