20351418624

素因数分解:

$2^8\times 3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1$

素因数の和:151

約数の個数: 864

約数和(自身を含む): 72318355200

約数和(自身を除く): 51966936576

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 19, 23, 24, 29, 32, 34, 36, 38, 41, 46, 48, 51, 57, 58, 64, 68, 69, 72, 76, 82, 87, 92, 96, 102, 114, 116, 123, 128, 136, 138, 144, 152, 153, 164, 171, 174, 184, 192, 204, 207, 228, 232, 246, 256, 261, 272, 276, 288, 304, 306, 323, 328, 342, 348, 368, 369, 384, 391, 408, 414, 437, 456, 464, 492, 493, 522, 544, 551, 552, 576, 608, 612, 646, 656, 667, 684, 696, 697, 736, 738, 768, 779, 782, 816, 828, 874, 912, 928, 943, 969, 984, 986, 1044, 1088, 1102, 1104, 1152, 1173, 1189, 1216, 1224, 1292, 1311, 1312, 1334, 1368, 1392, 1394, 1472, 1476, 1479, 1558, 1564, 1632, 1653, 1656, 1748, 1824, 1856, 1886, 1938, 1968, 1972, 2001, 2088, 2091, 2176, 2204, 2208, 2304, 2337, 2346, 2378, 2432, 2448, 2584, 2622, 2624, 2668, 2736, 2784, 2788, 2829, 2907, 2944, 2952, 2958, 3116, 3128, 3264, 3306, 3312, 3496, 3519, 3567, 3648, 3712, 3772, 3876, 3933, 3936, 3944, 4002, 4176, 4182, 4352, 4408, 4416, 4437, 4674, 4692, 4756, 4864, 4896, 4959, 5168, 5244, 5248, 5336, 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約数ペア:

[(1, 20351418624), (2, 10175709312), (3, 6783806208), (4, 5087854656), (6, 3391903104), (8, 2543927328), (9, 2261268736), (12, 1695951552), (16, 1271963664), (17, 1197142272), (18, 1130634368), (19, 1071127296), (23, 884844288), (24, 847975776), (29, 701773056), (32, 635981832), (34, 598571136), (36, 565317184), (38, 535563648), (41, 496376064), (46, 442422144), (48, 423987888), (51, 399047424), (57, 357042432), (58, 350886528), (64, 317990916), (68, 299285568), (69, 294948096), (72, 282658592), (76, 267781824), (82, 248188032), (87, 233924352), (92, 221211072), (96, 211993944), (102, 199523712), (114, 178521216), (116, 175443264), (123, 165458688), (128, 158995458), (136, 149642784), (138, 147474048), (144, 141329296), (152, 133890912), (153, 133015808), (164, 124094016), (171, 119014144), (174, 116962176), (184, 110605536), (192, 105996972), (204, 99761856), (207, 98316032), (228, 89260608), (232, 87721632), (246, 82729344), (256, 79497729), (261, 77974784), (272, 74821392), (276, 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