20847636

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1051}}^1$

素因数の和:1109

約数の個数: 72

約数和(自身を含む): 57439200

約数和(自身を除く): 36591564

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 29, 36, 38, 57, 58, 76, 87, 114, 116, 171, 174, 228, 261, 342, 348, 522, 551, 684, 1044, 1051, 1102, 1653, 2102, 2204, 3153, 3306, 4204, 4959, 6306, 6612, 9459, 9918, 12612, 18918, 19836, 19969, 30479, 37836, 39938, 59907, 60958, 79876, 91437, 119814, 121916, 179721, 182874, 239628, 274311, 359442, 365748, 548622, 579101, 718884, 1097244, 1158202, 1737303, 2316404, 3474606, 5211909, 6949212, 10423818, 20847636]

約数ペア:

[(1, 20847636), (2, 10423818), (3, 6949212), (4, 5211909), (6, 3474606), (9, 2316404), (12, 1737303), (18, 1158202), (19, 1097244), (29, 718884), (36, 579101), (38, 548622), (57, 365748), (58, 359442), (76, 274311), (87, 239628), (114, 182874), (116, 179721), (171, 121916), (174, 119814), (228, 91437), (261, 79876), (342, 60958), (348, 59907), (522, 39938), (551, 37836), (684, 30479), (1044, 19969), (1051, 19836), (1102, 18918), (1653, 12612), (2102, 9918), (2204, 9459), (3153, 6612), (3306, 6306), (4204, 4959)]