20757564

素因数分解:

$2^2\times 3^2\times {\mathrm{653}}^1\times {\mathrm{883}}^1$

素因数の和:1546

約数の個数: 36

約数和(自身を含む): 52610376

約数和(自身を除く): 31852812

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 653, 883, 1306, 1766, 1959, 2612, 2649, 3532, 3918, 5298, 5877, 7836, 7947, 10596, 11754, 15894, 23508, 31788, 576599, 1153198, 1729797, 2306396, 3459594, 5189391, 6919188, 10378782, 20757564]

約数ペア:

[(1, 20757564), (2, 10378782), (3, 6919188), (4, 5189391), (6, 3459594), (9, 2306396), (12, 1729797), (18, 1153198), (36, 576599), (653, 31788), (883, 23508), (1306, 15894), (1766, 11754), (1959, 10596), (2612, 7947), (2649, 7836), (3532, 5877), (3918, 5298)]