20837376

素因数分解:

$2^{10}\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1$

素因数の和:69

約数の個数: 264

約数和(自身を含む): 76639680

約数和(自身を除く): 55802304

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 17, 18, 19, 21, 24, 28, 32, 34, 36, 38, 42, 48, 51, 56, 57, 63, 64, 68, 72, 76, 84, 96, 102, 112, 114, 119, 126, 128, 133, 136, 144, 152, 153, 168, 171, 192, 204, 224, 228, 238, 252, 256, 266, 272, 288, 304, 306, 323, 336, 342, 357, 384, 399, 408, 448, 456, 476, 504, 512, 532, 544, 576, 608, 612, 646, 672, 684, 714, 768, 798, 816, 896, 912, 952, 969, 1008, 1024, 1064, 1071, 1088, 1152, 1197, 1216, 1224, 1292, 1344, 1368, 1428, 1536, 1596, 1632, 1792, 1824, 1904, 1938, 2016, 2128, 2142, 2176, 2261, 2304, 2394, 2432, 2448, 2584, 2688, 2736, 2856, 2907, 3072, 3192, 3264, 3584, 3648, 3808, 3876, 4032, 4256, 4284, 4352, 4522, 4608, 4788, 4864, 4896, 5168, 5376, 5472, 5712, 5814, 6384, 6528, 6783, 7168, 7296, 7616, 7752, 8064, 8512, 8568, 8704, 9044, 9216, 9576, 9728, 9792, 10336, 10752, 10944, 11424, 11628, 12768, 13056, 13566, 14592, 15232, 15504, 16128, 17024, 17136, 17408, 18088, 19152, 19456, 19584, 20349, 20672, 21504, 21888, 22848, 23256, 25536, 26112, 27132, 29184, 30464, 31008, 32256, 34048, 34272, 36176, 38304, 39168, 40698, 41344, 43776, 45696, 46512, 51072, 52224, 54264, 58368, 60928, 62016, 64512, 68096, 68544, 72352, 76608, 78336, 81396, 82688, 87552, 91392, 93024, 102144, 108528, 121856, 124032, 136192, 137088, 144704, 153216, 156672, 162792, 165376, 175104, 182784, 186048, 204288, 217056, 248064, 274176, 289408, 306432, 325584, 330752, 365568, 372096, 408576, 434112, 496128, 548352, 578816, 612864, 651168, 744192, 868224, 992256, 1096704, 1157632, 1225728, 1302336, 1488384, 1736448, 2315264, 2604672, 2976768, 3472896, 5209344, 6945792, 10418688, 20837376]

約数ペア:

[(1, 20837376), (2, 10418688), (3, 6945792), (4, 5209344), (6, 3472896), (7, 2976768), (8, 2604672), (9, 2315264), (12, 1736448), (14, 1488384), (16, 1302336), (17, 1225728), (18, 1157632), (19, 1096704), (21, 992256), (24, 868224), (28, 744192), (32, 651168), (34, 612864), (36, 578816), (38, 548352), (42, 496128), (48, 434112), (51, 408576), (56, 372096), (57, 365568), (63, 330752), (64, 325584), (68, 306432), (72, 289408), (76, 274176), (84, 248064), (96, 217056), (102, 204288), (112, 186048), (114, 182784), (119, 175104), (126, 165376), (128, 162792), (133, 156672), (136, 153216), (144, 144704), (152, 137088), (153, 136192), (168, 124032), (171, 121856), (192, 108528), (204, 102144), (224, 93024), (228, 91392), (238, 87552), (252, 82688), (256, 81396), (266, 78336), (272, 76608), (288, 72352), (304, 68544), (306, 68096), (323, 64512), (336, 62016), (342, 60928), (357, 58368), (384, 54264), (399, 52224), (408, 51072), (448, 46512), (456, 45696), (476, 43776), (504, 41344), (512, 40698), (532, 39168), (544, 38304), (576, 36176), (608, 34272), (612, 34048), (646, 32256), (672, 31008), (684, 30464), (714, 29184), (768, 27132), (798, 26112), (816, 25536), (896, 23256), (912, 22848), (952, 21888), (969, 21504), (1008, 20672), (1024, 20349), (1064, 19584), (1071, 19456), (1088, 19152), (1152, 18088), (1197, 17408), (1216, 17136), (1224, 17024), (1292, 16128), (1344, 15504), (1368, 15232), (1428, 14592), (1536, 13566), (1596, 13056), (1632, 12768), (1792, 11628), (1824, 11424), (1904, 10944), (1938, 10752), (2016, 10336), (2128, 9792), (2142, 9728), (2176, 9576), (2261, 9216), (2304, 9044), (2394, 8704), (2432, 8568), (2448, 8512), (2584, 8064), (2688, 7752), (2736, 7616), (2856, 7296), (2907, 7168), (3072, 6783), (3192, 6528), (3264, 6384), (3584, 5814), (3648, 5712), (3808, 5472), (3876, 5376), (4032, 5168), (4256, 4896), (4284, 4864), (4352, 4788), (4522, 4608)]