20857221120

素因数分解:

$2^{12}\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1051}}^1$

素因数の和:1119

約数の個数: 416

約数和(自身を含む): 74450292480

約数和(自身を除く): 53593071360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 19, 20, 24, 30, 32, 34, 38, 40, 48, 51, 57, 60, 64, 68, 76, 80, 85, 95, 96, 102, 114, 120, 128, 136, 152, 160, 170, 190, 192, 204, 228, 240, 255, 256, 272, 285, 304, 320, 323, 340, 380, 384, 408, 456, 480, 510, 512, 544, 570, 608, 640, 646, 680, 760, 768, 816, 912, 960, 969, 1020, 1024, 1051, 1088, 1140, 1216, 1280, 1292, 1360, 1520, 1536, 1615, 1632, 1824, 1920, 1938, 2040, 2048, 2102, 2176, 2280, 2432, 2560, 2584, 2720, 3040, 3072, 3153, 3230, 3264, 3648, 3840, 3876, 4080, 4096, 4204, 4352, 4560, 4845, 4864, 5120, 5168, 5255, 5440, 6080, 6144, 6306, 6460, 6528, 7296, 7680, 7752, 8160, 8408, 8704, 9120, 9690, 9728, 10240, 10336, 10510, 10880, 12160, 12288, 12612, 12920, 13056, 14592, 15360, 15504, 15765, 16320, 16816, 17408, 17867, 18240, 19380, 19456, 19969, 20480, 20672, 21020, 21760, 24320, 25224, 25840, 26112, 29184, 30720, 31008, 31530, 32640, 33632, 34816, 35734, 36480, 38760, 38912, 39938, 41344, 42040, 43520, 48640, 50448, 51680, 52224, 53601, 58368, 59907, 61440, 62016, 63060, 65280, 67264, 69632, 71468, 72960, 77520, 77824, 79876, 82688, 84080, 87040, 89335, 97280, 99845, 100896, 103360, 104448, 107202, 116736, 119814, 124032, 126120, 130560, 134528, 142936, 145920, 155040, 159752, 165376, 168160, 174080, 178670, 194560, 199690, 201792, 206720, 208896, 214404, 233472, 239628, 248064, 252240, 261120, 268005, 269056, 285872, 291840, 299535, 310080, 319504, 330752, 336320, 339473, 348160, 357340, 389120, 399380, 403584, 413440, 428808, 479256, 496128, 504480, 522240, 536010, 538112, 571744, 583680, 599070, 620160, 639008, 661504, 672640, 678946, 714680, 798760, 807168, 826880, 857616, 958512, 992256, 1008960, 1018419, 1044480, 1072020, 1076224, 1143488, 1167360, 1198140, 1240320, 1278016, 1323008, 1345280, 1357892, 1429360, 1597520, 1614336, 1653760, 1697365, 1715232, 1917024, 1984512, 2017920, 2036838, 2144040, 2152448, 2286976, 2396280, 2480640, 2556032, 2690560, 2715784, 2858720, 3195040, 3228672, 3307520, 3394730, 3430464, 3834048, 3969024, 4035840, 4073676, 4288080, 4304896, 4573952, 4792560, 4961280, 5092095, 5112064, 5381120, 5431568, 5717440, 6390080, 6457344, 6615040, 6789460, 6860928, 7668096, 8071680, 8147352, 8576160, 9147904, 9585120, 9922560, 10184190, 10224128, 10762240, 10863136, 11434880, 12780160, 12914688, 13578920, 13721856, 15336192, 16143360, 16294704, 17152320, 18295808, 19170240, 19845120, 20368380, 20448256, 21524480, 21726272, 22869760, 25560320, 27157840, 27443712, 30672384, 32286720, 32589408, 34304640, 36591616, 38340480, 40736760, 40896512, 43452544, 45739520, 51120640, 54315680, 54887424, 61344768, 64573440, 65178816, 68609280, 73183232, 76680960, 81473520, 81793024, 86905088, 91479040, 102241280, 108631360, 109774848, 122689536, 130357632, 137218560, 153361920, 162947040, 173810176, 182958080, 204482560, 217262720, 219549696, 245379072, 260715264, 274437120, 306723840, 325894080, 347620352, 365916160, 408965120, 434525440, 521430528, 548874240, 613447680, 651788160, 695240704, 869050880, 1042861056, 1097748480, 1226895360, 1303576320, 1390481408, 1738101760, 2085722112, 2607152640, 3476203520, 4171444224, 5214305280, 6952407040, 10428610560, 20857221120]

約数ペア:

[(1, 20857221120), (2, 10428610560), (3, 6952407040), (4, 5214305280), (5, 4171444224), (6, 3476203520), (8, 2607152640), (10, 2085722112), (12, 1738101760), (15, 1390481408), (16, 1303576320), (17, 1226895360), (19, 1097748480), (20, 1042861056), (24, 869050880), (30, 695240704), (32, 651788160), (34, 613447680), (38, 548874240), (40, 521430528), (48, 434525440), (51, 408965120), (57, 365916160), (60, 347620352), (64, 325894080), (68, 306723840), (76, 274437120), (80, 260715264), (85, 245379072), (95, 219549696), (96, 217262720), (102, 204482560), (114, 182958080), (120, 173810176), (128, 162947040), (136, 153361920), (152, 137218560), (160, 130357632), (170, 122689536), (190, 109774848), (192, 108631360), (204, 102241280), (228, 91479040), (240, 86905088), (255, 81793024), (256, 81473520), (272, 76680960), (285, 73183232), (304, 68609280), (320, 65178816), (323, 64573440), (340, 61344768), (380, 54887424), (384, 54315680), (408, 51120640), (456, 45739520), (480, 43452544), (510, 40896512), (512, 40736760), (544, 38340480), (570, 36591616), (608, 34304640), (640, 32589408), (646, 32286720), (680, 30672384), (760, 27443712), (768, 27157840), (816, 25560320), (912, 22869760), (960, 21726272), (969, 21524480), (1020, 20448256), (1024, 20368380), (1051, 19845120), (1088, 19170240), (1140, 18295808), (1216, 17152320), (1280, 16294704), (1292, 16143360), (1360, 15336192), (1520, 13721856), (1536, 13578920), (1615, 12914688), (1632, 12780160), (1824, 11434880), (1920, 10863136), (1938, 10762240), (2040, 10224128), (2048, 10184190), (2102, 9922560), (2176, 9585120), (2280, 9147904), (2432, 8576160), (2560, 8147352), (2584, 8071680), (2720, 7668096), (3040, 6860928), (3072, 6789460), (3153, 6615040), (3230, 6457344), (3264, 6390080), (3648, 5717440), (3840, 5431568), (3876, 5381120), (4080, 5112064), (4096, 5092095), (4204, 4961280), (4352, 4792560), (4560, 4573952), (4845, 4304896), (4864, 4288080), (5120, 4073676), (5168, 4035840), (5255, 3969024), (5440, 3834048), (6080, 3430464), (6144, 3394730), (6306, 3307520), (6460, 3228672), (6528, 3195040), (7296, 2858720), (7680, 2715784), (7752, 2690560), (8160, 2556032), (8408, 2480640), (8704, 2396280), (9120, 2286976), (9690, 2152448), (9728, 2144040), (10240, 2036838), (10336, 2017920), (10510, 1984512), (10880, 1917024), (12160, 1715232), (12288, 1697365), (12612, 1653760), (12920, 1614336), (13056, 1597520), (14592, 1429360), (15360, 1357892), (15504, 1345280), (15765, 1323008), (16320, 1278016), (16816, 1240320), (17408, 1198140), (17867, 1167360), (18240, 1143488), (19380, 1076224), (19456, 1072020), (19969, 1044480), (20480, 1018419), (20672, 1008960), (21020, 992256), (21760, 958512), (24320, 857616), (25224, 826880), (25840, 807168), (26112, 798760), (29184, 714680), (30720, 678946), (31008, 672640), (31530, 661504), (32640, 639008), (33632, 620160), (34816, 599070), (35734, 583680), (36480, 571744), (38760, 538112), (38912, 536010), (39938, 522240), (41344, 504480), (42040, 496128), (43520, 479256), (48640, 428808), (50448, 413440), (51680, 403584), (52224, 399380), (53601, 389120), (58368, 357340), (59907, 348160), (61440, 339473), (62016, 336320), (63060, 330752), (65280, 319504), (67264, 310080), (69632, 299535), (71468, 291840), (72960, 285872), (77520, 269056), (77824, 268005), (79876, 261120), (82688, 252240), (84080, 248064), (87040, 239628), (89335, 233472), (97280, 214404), (99845, 208896), (100896, 206720), (103360, 201792), (104448, 199690), (107202, 194560), (116736, 178670), (119814, 174080), (124032, 168160), (126120, 165376), (130560, 159752), (134528, 155040), (142936, 145920)]