20378502208

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{4229}}^1$

素因数の和:4404

約数の個数: 112

約数和(自身を含む): 44248913280

約数和(自身を除く): 23870411072

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 43, 64, 68, 86, 103, 136, 172, 206, 272, 344, 412, 544, 688, 731, 824, 1088, 1376, 1462, 1648, 1751, 2752, 2924, 3296, 3502, 4229, 4429, 5848, 6592, 7004, 8458, 8858, 11696, 14008, 16916, 17716, 23392, 28016, 33832, 35432, 46784, 56032, 67664, 70864, 71893, 75293, 112064, 135328, 141728, 143786, 150586, 181847, 270656, 283456, 287572, 301172, 363694, 435587, 575144, 602344, 727388, 871174, 1150288, 1204688, 1454776, 1742348, 2300576, 2409376, 2909552, 3091399, 3484696, 4601152, 4818752, 5819104, 6182798, 6969392, 7404979, 11638208, 12365596, 13938784, 14809958, 18730241, 24731192, 27877568, 29619916, 37460482, 49462384, 59239832, 74920964, 98924768, 118479664, 149841928, 197849536, 236959328, 299683856, 318414097, 473918656, 599367712, 636828194, 1198735424, 1273656388, 2547312776, 5094625552, 10189251104, 20378502208]

約数ペア:

[(1, 20378502208), (2, 10189251104), (4, 5094625552), (8, 2547312776), (16, 1273656388), (17, 1198735424), (32, 636828194), (34, 599367712), (43, 473918656), (64, 318414097), (68, 299683856), (86, 236959328), (103, 197849536), (136, 149841928), (172, 118479664), (206, 98924768), (272, 74920964), (344, 59239832), (412, 49462384), (544, 37460482), (688, 29619916), (731, 27877568), (824, 24731192), (1088, 18730241), (1376, 14809958), (1462, 13938784), (1648, 12365596), (1751, 11638208), (2752, 7404979), (2924, 6969392), (3296, 6182798), (3502, 5819104), (4229, 4818752), (4429, 4601152), (5848, 3484696), (6592, 3091399), (7004, 2909552), (8458, 2409376), (8858, 2300576), (11696, 1742348), (14008, 1454776), (16916, 1204688), (17716, 1150288), (23392, 871174), (28016, 727388), (33832, 602344), (35432, 575144), (46784, 435587), (56032, 363694), (67664, 301172), (70864, 287572), (71893, 283456), (75293, 270656), (112064, 181847), (135328, 150586), (141728, 143786)]