20577705280

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{337}}^1$

素因数の和:478

約数の個数: 336

約数和(自身を含む): 57548312640

約数和(自身を除く): 36970607360

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 32, 38, 40, 44, 55, 64, 76, 80, 83, 88, 95, 110, 121, 152, 160, 166, 176, 190, 209, 220, 242, 304, 320, 332, 337, 352, 380, 415, 418, 440, 484, 605, 608, 664, 674, 704, 760, 830, 836, 880, 913, 968, 1045, 1210, 1216, 1328, 1348, 1520, 1577, 1660, 1672, 1685, 1760, 1826, 1936, 2090, 2299, 2420, 2656, 2696, 3040, 3154, 3320, 3344, 3370, 3520, 3652, 3707, 3872, 4180, 4565, 4598, 4840, 5312, 5392, 6080, 6308, 6403, 6640, 6688, 6740, 7304, 7414, 7744, 7885, 8360, 9130, 9196, 9680, 10043, 10784, 11495, 12616, 12806, 13280, 13376, 13480, 14608, 14828, 15770, 16720, 17347, 18260, 18392, 18535, 19360, 20086, 21568, 22990, 25232, 25612, 26560, 26960, 27971, 29216, 29656, 31540, 32015, 33440, 34694, 36520, 36784, 37070, 38720, 40172, 40777, 45980, 50215, 50464, 51224, 53920, 55942, 58432, 59312, 63080, 64030, 66880, 69388, 70433, 73040, 73568, 74140, 80344, 81554, 86735, 91960, 100430, 100928, 102448, 107840, 111884, 118624, 126160, 128060, 138776, 139855, 140866, 146080, 147136, 148280, 160688, 163108, 173470, 183920, 190817, 200860, 203885, 204896, 223768, 237248, 252320, 256120, 277552, 279710, 281732, 292160, 296560, 307681, 321376, 326216, 346940, 352165, 367840, 381634, 401720, 407770, 409792, 447536, 504640, 512240, 531449, 555104, 559420, 563464, 593120, 615362, 642752, 652432, 693880, 704330, 735680, 763268, 774763, 803440, 815540, 895072, 954085, 1024480, 1062898, 1110208, 1118840, 1126928, 1186240, 1230724, 1304864, 1387760, 1408660, 1526536, 1538405, 1549526, 1606880, 1631080, 1790144, 1908170, 2048960, 2125796, 2237680, 2253856, 2461448, 2609728, 2657245, 2775520, 2817320, 3053072, 3076810, 3099052, 3213760, 3262160, 3384491, 3816340, 3873815, 4251592, 4475360, 4507712, 4922896, 5314490, 5551040, 5634640, 5845939, 6106144, 6153620, 6198104, 6524320, 6768982, 7632680, 7747630, 8503184, 8950720, 9845792, 10628980, 11269280, 11691878, 12212288, 12307240, 12396208, 13048640, 13537964, 15265360, 15495260, 16922455, 17006368, 19691584, 21257960, 22538560, 23383756, 24614480, 24792416, 27075928, 29229695, 30530720, 30990520, 33844910, 34012736, 42515920, 46767512, 49228960, 49584832, 54151856, 58459390, 61061440, 61981040, 64305329, 67689820, 85031840, 93535024, 98457920, 108303712, 116918780, 123962080, 128610658, 135379640, 170063680, 187070048, 216607424, 233837560, 247924160, 257221316, 270759280, 321526645, 374140096, 467675120, 514442632, 541518560, 643053290, 935350240, 1028885264, 1083037120, 1286106580, 1870700480, 2057770528, 2572213160, 4115541056, 5144426320, 10288852640, 20577705280]

約数ペア:

[(1, 20577705280), (2, 10288852640), (4, 5144426320), (5, 4115541056), (8, 2572213160), (10, 2057770528), (11, 1870700480), (16, 1286106580), (19, 1083037120), (20, 1028885264), (22, 935350240), (32, 643053290), (38, 541518560), (40, 514442632), (44, 467675120), (55, 374140096), (64, 321526645), (76, 270759280), (80, 257221316), (83, 247924160), (88, 233837560), (95, 216607424), (110, 187070048), (121, 170063680), (152, 135379640), (160, 128610658), (166, 123962080), (176, 116918780), (190, 108303712), (209, 98457920), (220, 93535024), (242, 85031840), (304, 67689820), (320, 64305329), (332, 61981040), (337, 61061440), (352, 58459390), (380, 54151856), (415, 49584832), (418, 49228960), (440, 46767512), (484, 42515920), (605, 34012736), (608, 33844910), (664, 30990520), (674, 30530720), (704, 29229695), (760, 27075928), (830, 24792416), (836, 24614480), (880, 23383756), (913, 22538560), (968, 21257960), (1045, 19691584), (1210, 17006368), (1216, 16922455), (1328, 15495260), (1348, 15265360), (1520, 13537964), (1577, 13048640), (1660, 12396208), (1672, 12307240), (1685, 12212288), (1760, 11691878), (1826, 11269280), (1936, 10628980), (2090, 9845792), (2299, 8950720), (2420, 8503184), (2656, 7747630), (2696, 7632680), (3040, 6768982), (3154, 6524320), (3320, 6198104), (3344, 6153620), (3370, 6106144), (3520, 5845939), (3652, 5634640), (3707, 5551040), (3872, 5314490), (4180, 4922896), (4565, 4507712), (4598, 4475360), (4840, 4251592), (5312, 3873815), (5392, 3816340), (6080, 3384491), (6308, 3262160), (6403, 3213760), (6640, 3099052), (6688, 3076810), (6740, 3053072), (7304, 2817320), (7414, 2775520), (7744, 2657245), (7885, 2609728), (8360, 2461448), (9130, 2253856), (9196, 2237680), (9680, 2125796), (10043, 2048960), (10784, 1908170), (11495, 1790144), (12616, 1631080), (12806, 1606880), (13280, 1549526), (13376, 1538405), (13480, 1526536), (14608, 1408660), (14828, 1387760), (15770, 1304864), (16720, 1230724), (17347, 1186240), (18260, 1126928), (18392, 1118840), (18535, 1110208), (19360, 1062898), (20086, 1024480), (21568, 954085), (22990, 895072), (25232, 815540), (25612, 803440), (26560, 774763), (26960, 763268), (27971, 735680), (29216, 704330), (29656, 693880), (31540, 652432), (32015, 642752), (33440, 615362), (34694, 593120), (36520, 563464), (36784, 559420), (37070, 555104), (38720, 531449), (40172, 512240), (40777, 504640), (45980, 447536), (50215, 409792), (50464, 407770), (51224, 401720), (53920, 381634), (55942, 367840), (58432, 352165), (59312, 346940), (63080, 326216), (64030, 321376), (66880, 307681), (69388, 296560), (70433, 292160), (73040, 281732), (73568, 279710), (74140, 277552), (80344, 256120), (81554, 252320), (86735, 237248), (91960, 223768), (100430, 204896), (100928, 203885), (102448, 200860), (107840, 190817), (111884, 183920), (118624, 173470), (126160, 163108), (128060, 160688), (138776, 148280), (139855, 147136), (140866, 146080)]