20511788

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{269}}^1\times {\mathrm{1733}}^1$

素因数の和:2017

約数の個数: 24

約数和(自身を含む): 39327120

約数和(自身を除く): 18815332

約数列:

[1, 2, 4, 11, 22, 44, 269, 538, 1076, 1733, 2959, 3466, 5918, 6932, 11836, 19063, 38126, 76252, 466177, 932354, 1864708, 5127947, 10255894, 20511788]

約数ペア:

[(1, 20511788), (2, 10255894), (4, 5127947), (11, 1864708), (22, 932354), (44, 466177), (269, 76252), (538, 38126), (1076, 19063), (1733, 11836), (2959, 6932), (3466, 5918)]