20540564

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{20297}}^1$

素因数の和:20335

約数の個数: 24

約数和(自身を含む): 40920768

約数和(自身を除く): 20380204

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 92, 253, 506, 1012, 20297, 40594, 81188, 223267, 446534, 466831, 893068, 933662, 1867324, 5135141, 10270282, 20540564]

約数ペア:

[(1, 20540564), (2, 10270282), (4, 5135141), (11, 1867324), (22, 933662), (23, 893068), (44, 466831), (46, 446534), (92, 223267), (253, 81188), (506, 40594), (1012, 20297)]