20278368

素因数分解:

$2^5\times 3^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1$

素因数の和:237

約数の個数: 144

約数和(自身を含む): 64982736

約数和(自身を除く): 44704368

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 32, 33, 36, 37, 44, 48, 66, 72, 74, 88, 96, 99, 111, 132, 144, 148, 173, 176, 198, 222, 264, 288, 296, 333, 346, 352, 396, 407, 444, 519, 528, 592, 666, 692, 792, 814, 888, 1038, 1056, 1184, 1221, 1332, 1384, 1557, 1584, 1628, 1776, 1903, 2076, 2442, 2664, 2768, 3114, 3168, 3256, 3552, 3663, 3806, 4152, 4884, 5328, 5536, 5709, 6228, 6401, 6512, 7326, 7612, 8304, 9768, 10656, 11418, 12456, 12802, 13024, 14652, 15224, 16608, 17127, 19203, 19536, 22836, 24912, 25604, 29304, 30448, 34254, 38406, 39072, 45672, 49824, 51208, 57609, 58608, 60896, 68508, 70411, 76812, 91344, 102416, 115218, 117216, 137016, 140822, 153624, 182688, 204832, 211233, 230436, 274032, 281644, 307248, 422466, 460872, 548064, 563288, 614496, 633699, 844932, 921744, 1126576, 1267398, 1689864, 1843488, 2253152, 2534796, 3379728, 5069592, 6759456, 10139184, 20278368]

約数ペア:

[(1, 20278368), (2, 10139184), (3, 6759456), (4, 5069592), (6, 3379728), (8, 2534796), (9, 2253152), (11, 1843488), (12, 1689864), (16, 1267398), (18, 1126576), (22, 921744), (24, 844932), (32, 633699), (33, 614496), (36, 563288), (37, 548064), (44, 460872), (48, 422466), (66, 307248), (72, 281644), (74, 274032), (88, 230436), (96, 211233), (99, 204832), (111, 182688), (132, 153624), (144, 140822), (148, 137016), (173, 117216), (176, 115218), (198, 102416), (222, 91344), (264, 76812), (288, 70411), (296, 68508), (333, 60896), (346, 58608), (352, 57609), (396, 51208), (407, 49824), (444, 45672), (519, 39072), (528, 38406), (592, 34254), (666, 30448), (692, 29304), (792, 25604), (814, 24912), (888, 22836), (1038, 19536), (1056, 19203), (1184, 17127), (1221, 16608), (1332, 15224), (1384, 14652), (1557, 13024), (1584, 12802), (1628, 12456), (1776, 11418), (1903, 10656), (2076, 9768), (2442, 8304), (2664, 7612), (2768, 7326), (3114, 6512), (3168, 6401), (3256, 6228), (3552, 5709), (3663, 5536), (3806, 5328), (4152, 4884)]