20671354

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2909}}^1$

素因数の和:2958

約数の個数: 32

約数和(自身を含む): 37713600

約数和(自身を除く): 17042246

約数列:

[1, 2, 11, 17, 19, 22, 34, 38, 187, 209, 323, 374, 418, 646, 2909, 3553, 5818, 7106, 31999, 49453, 55271, 63998, 98906, 110542, 543983, 607981, 939607, 1087966, 1215962, 1879214, 10335677, 20671354]

約数ペア:

[(1, 20671354), (2, 10335677), (11, 1879214), (17, 1215962), (19, 1087966), (22, 939607), (34, 607981), (38, 543983), (187, 110542), (209, 98906), (323, 63998), (374, 55271), (418, 49453), (646, 31999), (2909, 7106), (3553, 5818)]