20689886448

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:230

約数の個数: 960

約数和(自身を含む): 82730419200

約数和(自身を除く): 62040532752

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 16, 17, 18, 19, 21, 22, 24, 28, 33, 34, 36, 38, 42, 44, 48, 51, 53, 56, 57, 63, 66, 68, 72, 76, 77, 84, 88, 99, 102, 106, 109, 112, 114, 119, 126, 132, 133, 136, 144, 152, 153, 154, 159, 168, 171, 176, 187, 198, 204, 209, 212, 218, 228, 231, 238, 252, 264, 266, 272, 304, 306, 308, 318, 323, 327, 336, 342, 357, 371, 374, 396, 399, 408, 418, 424, 436, 456, 462, 476, 477, 504, 528, 532, 561, 583, 612, 616, 627, 636, 646, 654, 684, 693, 714, 742, 748, 763, 792, 798, 816, 836, 848, 872, 901, 912, 924, 952, 954, 969, 981, 1007, 1008, 1064, 1071, 1113, 1122, 1166, 1197, 1199, 1224, 1232, 1254, 1272, 1292, 1308, 1309, 1368, 1386, 1428, 1463, 1484, 1496, 1526, 1584, 1596, 1672, 1683, 1744, 1749, 1802, 1848, 1853, 1881, 1904, 1908, 1938, 1962, 2014, 2071, 2128, 2142, 2226, 2244, 2261, 2289, 2332, 2394, 2398, 2448, 2508, 2544, 2584, 2616, 2618, 2703, 2736, 2772, 2856, 2907, 2926, 2968, 2992, 3021, 3052, 3192, 3339, 3344, 3366, 3498, 3553, 3597, 3604, 3696, 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約数ペア:

[(1, 20689886448), (2, 10344943224), (3, 6896628816), (4, 5172471612), (6, 3448314408), (7, 2955698064), (8, 2586235806), (9, 2298876272), (11, 1880898768), (12, 1724157204), (14, 1477849032), (16, 1293117903), (17, 1217052144), (18, 1149438136), (19, 1088941392), (21, 985232688), (22, 940449384), (24, 862078602), (28, 738924516), (33, 626966256), (34, 608526072), (36, 574719068), (38, 544470696), (42, 492616344), (44, 470224692), (48, 431039301), (51, 405684048), (53, 390375216), (56, 369462258), (57, 362980464), (63, 328410896), (66, 313483128), (68, 304263036), (72, 287359534), (76, 272235348), (77, 268699824), (84, 246308172), (88, 235112346), (99, 208988752), (102, 202842024), (106, 195187608), (109, 189815472), (112, 184731129), (114, 181490232), (119, 173864592), (126, 164205448), (132, 156741564), (133, 155563056), (136, 152131518), (144, 143679767), (152, 136117674), (153, 135228016), (154, 134349912), (159, 130125072), (168, 123154086), (171, 120993488), (176, 117556173), 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(116739, 177232), (118932, 173964), (119833, 172656), (121317, 170544), (122298, 169176), (126882, 163064), (127094, 162792), (127908, 161756), (129744, 159467), (130473, 158576), (132924, 155652), (133416, 155078), (134288, 154071), (136686, 151368), (136952, 151074), (138648, 149226), (138754, 149112), (140828, 146916), (142681, 145008)]