20873748

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{5779}}^1$

素因数の和:5836

約数の個数: 48

約数和(自身を含む): 56967680

約数和(自身を除く): 36093932

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 43, 84, 86, 129, 172, 258, 301, 516, 602, 903, 1204, 1806, 3612, 5779, 11558, 17337, 23116, 34674, 40453, 69348, 80906, 121359, 161812, 242718, 248497, 485436, 496994, 745491, 993988, 1490982, 1739479, 2981964, 3478958, 5218437, 6957916, 10436874, 20873748]

約数ペア:

[(1, 20873748), (2, 10436874), (3, 6957916), (4, 5218437), (6, 3478958), (7, 2981964), (12, 1739479), (14, 1490982), (21, 993988), (28, 745491), (42, 496994), (43, 485436), (84, 248497), (86, 242718), (129, 161812), (172, 121359), (258, 80906), (301, 69348), (516, 40453), (602, 34674), (903, 23116), (1204, 17337), (1806, 11558), (3612, 5779)]