20249944281

素因数分解:

$3^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{163}}^1\times {\mathrm{227}}^1$

素因数の和:500

約数の個数: 144

約数和(自身を含む): 36906352704

約数和(自身を除く): 16656408423

約数列:

[1, 3, 7, 9, 17, 21, 49, 51, 63, 73, 119, 147, 153, 163, 219, 227, 357, 441, 489, 511, 657, 681, 833, 1071, 1141, 1241, 1467, 1533, 1589, 2043, 2499, 2771, 3423, 3577, 3723, 3859, 4599, 4767, 7497, 7987, 8313, 8687, 10269, 10731, 11123, 11169, 11577, 11899, 14301, 16571, 19397, 23961, 24939, 26061, 27013, 32193, 33369, 34731, 35697, 37001, 49713, 58191, 60809, 71883, 78183, 81039, 83293, 100107, 107091, 111003, 115997, 135779, 149139, 174573, 182427, 189091, 202283, 243117, 249879, 259007, 281707, 333009, 347991, 407337, 547281, 567273, 583051, 606849, 629017, 749637, 777021, 811979, 845121, 1043973, 1222011, 1415981, 1701819, 1749153, 1813049, 1820547, 1887051, 1971949, 2331063, 2435937, 2535363, 2701073, 4247943, 4403119, 5247459, 5439147, 5661153, 5915847, 7307811, 8103219, 9911867, 12743829, 13209357, 13803643, 16317441, 17747541, 18907511, 24309657, 29735601, 30821833, 39628071, 41410929, 45918241, 56722533, 89206803, 92465499, 124232787, 132352577, 137754723, 170167599, 277396497, 321427687, 397057731, 413264169, 964283061, 1191173193, 2249993809, 2892849183, 6749981427, 20249944281]

約数ペア:

[(1, 20249944281), (3, 6749981427), (7, 2892849183), (9, 2249993809), (17, 1191173193), (21, 964283061), (49, 413264169), (51, 397057731), (63, 321427687), (73, 277396497), (119, 170167599), (147, 137754723), (153, 132352577), (163, 124232787), (219, 92465499), (227, 89206803), (357, 56722533), (441, 45918241), (489, 41410929), (511, 39628071), (657, 30821833), (681, 29735601), (833, 24309657), (1071, 18907511), (1141, 17747541), (1241, 16317441), (1467, 13803643), (1533, 13209357), (1589, 12743829), (2043, 9911867), (2499, 8103219), (2771, 7307811), (3423, 5915847), (3577, 5661153), (3723, 5439147), (3859, 5247459), (4599, 4403119), (4767, 4247943), (7497, 2701073), (7987, 2535363), (8313, 2435937), (8687, 2331063), (10269, 1971949), (10731, 1887051), (11123, 1820547), (11169, 1813049), (11577, 1749153), (11899, 1701819), (14301, 1415981), (16571, 1222011), (19397, 1043973), (23961, 845121), (24939, 811979), (26061, 777021), (27013, 749637), (32193, 629017), (33369, 606849), (34731, 583051), (35697, 567273), (37001, 547281), (49713, 407337), (58191, 347991), (60809, 333009), (71883, 281707), (78183, 259007), (81039, 249879), (83293, 243117), (100107, 202283), (107091, 189091), (111003, 182427), (115997, 174573), (135779, 149139)]