20578338

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{2417}}^1$

素因数の和:2479

約数の個数: 48

約数和(自身を含む): 49791456

約数和(自身を除く): 29213118

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 43, 66, 86, 99, 129, 198, 258, 387, 473, 774, 946, 1419, 2417, 2838, 4257, 4834, 7251, 8514, 14502, 21753, 26587, 43506, 53174, 79761, 103931, 159522, 207862, 239283, 311793, 478566, 623586, 935379, 1143241, 1870758, 2286482, 3429723, 6859446, 10289169, 20578338]

約数ペア:

[(1, 20578338), (2, 10289169), (3, 6859446), (6, 3429723), (9, 2286482), (11, 1870758), (18, 1143241), (22, 935379), (33, 623586), (43, 478566), (66, 311793), (86, 239283), (99, 207862), (129, 159522), (198, 103931), (258, 79761), (387, 53174), (473, 43506), (774, 26587), (946, 21753), (1419, 14502), (2417, 8514), (2838, 7251), (4257, 4834)]