20802074836

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{14405869}}^1$

素因数の和:14405911

約数の個数: 18

約数和(自身を含む): 38420455290

約数和(自身を除く): 17618380454

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 14405869, 28811738, 57623476, 273711511, 547423022, 1094846044, 5200518709, 10401037418, 20802074836]

約数ペア:

[(1, 20802074836), (2, 10401037418), (4, 5200518709), (19, 1094846044), (38, 547423022), (76, 273711511), (361, 57623476), (722, 28811738), (1444, 14405869)]