20427948

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1151}}^1$

素因数の和:1207

約数の個数: 72

約数和(自身を含む): 56609280

約数和(自身を除く): 36181332

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 29, 34, 36, 51, 58, 68, 87, 102, 116, 153, 174, 204, 261, 306, 348, 493, 522, 612, 986, 1044, 1151, 1479, 1972, 2302, 2958, 3453, 4437, 4604, 5916, 6906, 8874, 10359, 13812, 17748, 19567, 20718, 33379, 39134, 41436, 58701, 66758, 78268, 100137, 117402, 133516, 176103, 200274, 234804, 300411, 352206, 400548, 567443, 600822, 704412, 1134886, 1201644, 1702329, 2269772, 3404658, 5106987, 6809316, 10213974, 20427948]

約数ペア:

[(1, 20427948), (2, 10213974), (3, 6809316), (4, 5106987), (6, 3404658), (9, 2269772), (12, 1702329), (17, 1201644), (18, 1134886), (29, 704412), (34, 600822), (36, 567443), (51, 400548), (58, 352206), (68, 300411), (87, 234804), (102, 200274), (116, 176103), (153, 133516), (174, 117402), (204, 100137), (261, 78268), (306, 66758), (348, 58701), (493, 41436), (522, 39134), (612, 33379), (986, 20718), (1044, 19567), (1151, 17748), (1479, 13812), (1972, 10359), (2302, 8874), (2958, 6906), (3453, 5916), (4437, 4604)]