20208881920

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{271}}^1$

素因数の和:481

約数の個数: 288

約数和(自身を含む): 54040089600

約数和(自身を除く): 33831207680

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 23, 32, 34, 40, 46, 64, 68, 80, 85, 92, 115, 128, 136, 149, 160, 170, 184, 230, 256, 271, 272, 298, 320, 340, 368, 391, 460, 542, 544, 596, 640, 680, 736, 745, 782, 920, 1084, 1088, 1192, 1280, 1355, 1360, 1472, 1490, 1564, 1840, 1955, 2168, 2176, 2384, 2533, 2710, 2720, 2944, 2980, 3128, 3427, 3680, 3910, 4336, 4352, 4607, 4768, 5066, 5420, 5440, 5888, 5960, 6233, 6256, 6854, 7360, 7820, 8672, 9214, 9536, 10132, 10840, 10880, 11920, 12466, 12512, 12665, 13708, 14720, 15640, 17135, 17344, 18428, 19072, 20264, 21680, 21760, 23035, 23840, 24932, 25024, 25330, 27416, 29440, 31165, 31280, 34270, 34688, 36856, 38144, 40379, 40528, 43360, 46070, 47680, 49864, 50048, 50660, 54832, 58259, 62330, 62560, 68540, 69376, 73712, 80758, 81056, 86720, 92140, 95360, 99728, 100096, 101320, 105961, 109664, 116518, 124660, 125120, 137080, 147424, 161516, 162112, 173440, 184280, 190720, 199456, 201895, 202640, 211922, 219328, 233036, 249320, 250240, 274160, 291295, 294848, 323032, 324224, 346880, 368560, 398912, 403790, 405280, 423844, 438656, 466072, 498640, 500480, 529805, 548320, 582590, 589696, 646064, 648448, 686443, 737120, 797824, 807580, 810560, 847688, 877312, 928717, 932144, 997280, 1059610, 1096640, 1165180, 1179392, 1292128, 1372886, 1474240, 1595648, 1615160, 1621120, 1695376, 1857434, 1864288, 1994560, 2119220, 2193280, 2330360, 2584256, 2745772, 2948480, 3230320, 3242240, 3390752, 3432215, 3714868, 3728576, 3989120, 4238440, 4386560, 4643585, 4660720, 5168512, 5491544, 5896960, 6460640, 6781504, 6864430, 7429736, 7457152, 7978240, 8476880, 9287170, 9321440, 10337024, 10983088, 12921280, 13563008, 13728860, 14859472, 14914304, 15788189, 16953760, 18574340, 18642880, 21966176, 25842560, 27126016, 27457720, 29718944, 31576378, 33907520, 37148680, 37285760, 43932352, 51685120, 54915440, 59437888, 63152756, 67815040, 74297360, 74571520, 78940945, 87864704, 109830880, 118875776, 126305512, 135630080, 148594720, 157881890, 175729408, 219661760, 237751552, 252611024, 297189440, 315763780, 439323520, 505222048, 594378880, 631527560, 878647040, 1010444096, 1188757760, 1263055120, 2020888192, 2526110240, 4041776384, 5052220480, 10104440960, 20208881920]

約数ペア:

[(1, 20208881920), (2, 10104440960), (4, 5052220480), (5, 4041776384), (8, 2526110240), (10, 2020888192), (16, 1263055120), (17, 1188757760), (20, 1010444096), (23, 878647040), (32, 631527560), (34, 594378880), (40, 505222048), (46, 439323520), (64, 315763780), (68, 297189440), (80, 252611024), (85, 237751552), (92, 219661760), (115, 175729408), (128, 157881890), (136, 148594720), (149, 135630080), (160, 126305512), (170, 118875776), (184, 109830880), (230, 87864704), (256, 78940945), (271, 74571520), (272, 74297360), (298, 67815040), (320, 63152756), (340, 59437888), (368, 54915440), (391, 51685120), (460, 43932352), (542, 37285760), (544, 37148680), (596, 33907520), (640, 31576378), (680, 29718944), (736, 27457720), (745, 27126016), (782, 25842560), (920, 21966176), (1084, 18642880), (1088, 18574340), (1192, 16953760), (1280, 15788189), (1355, 14914304), (1360, 14859472), (1472, 13728860), (1490, 13563008), (1564, 12921280), (1840, 10983088), (1955, 10337024), (2168, 9321440), (2176, 9287170), (2384, 8476880), (2533, 7978240), (2710, 7457152), (2720, 7429736), (2944, 6864430), (2980, 6781504), (3128, 6460640), (3427, 5896960), (3680, 5491544), (3910, 5168512), (4336, 4660720), (4352, 4643585), (4607, 4386560), (4768, 4238440), (5066, 3989120), (5420, 3728576), (5440, 3714868), (5888, 3432215), (5960, 3390752), (6233, 3242240), (6256, 3230320), (6854, 2948480), (7360, 2745772), (7820, 2584256), (8672, 2330360), (9214, 2193280), (9536, 2119220), (10132, 1994560), (10840, 1864288), (10880, 1857434), (11920, 1695376), (12466, 1621120), (12512, 1615160), (12665, 1595648), (13708, 1474240), (14720, 1372886), (15640, 1292128), (17135, 1179392), (17344, 1165180), (18428, 1096640), (19072, 1059610), (20264, 997280), (21680, 932144), (21760, 928717), (23035, 877312), (23840, 847688), (24932, 810560), (25024, 807580), (25330, 797824), (27416, 737120), (29440, 686443), (31165, 648448), (31280, 646064), (34270, 589696), (34688, 582590), (36856, 548320), (38144, 529805), (40379, 500480), (40528, 498640), (43360, 466072), (46070, 438656), (47680, 423844), (49864, 405280), (50048, 403790), (50660, 398912), (54832, 368560), (58259, 346880), (62330, 324224), (62560, 323032), (68540, 294848), (69376, 291295), (73712, 274160), (80758, 250240), (81056, 249320), (86720, 233036), (92140, 219328), (95360, 211922), (99728, 202640), (100096, 201895), (101320, 199456), (105961, 190720), (109664, 184280), (116518, 173440), (124660, 162112), (125120, 161516), (137080, 147424)]