20399264

素因数分解:

$2^5\times {\mathrm{443}}^1\times {\mathrm{1439}}^1$

素因数の和:1892

約数の個数: 24

約数和(自身を含む): 40279680

約数和(自身を除く): 19880416

約数列:

[1, 2, 4, 8, 16, 32, 443, 886, 1439, 1772, 2878, 3544, 5756, 7088, 11512, 14176, 23024, 46048, 637477, 1274954, 2549908, 5099816, 10199632, 20399264]

約数ペア:

[(1, 20399264), (2, 10199632), (4, 5099816), (8, 2549908), (16, 1274954), (32, 637477), (443, 46048), (886, 23024), (1439, 14176), (1772, 11512), (2878, 7088), (3544, 5756)]