20451175920

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{277}}^1$

素因数の和:582

約数の個数: 640

約数和(自身を含む): 85380249600

約数和(自身を除く): 64929073680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 24, 27, 28, 30, 35, 36, 38, 40, 42, 45, 48, 54, 56, 57, 60, 63, 70, 72, 76, 80, 84, 90, 95, 105, 108, 112, 114, 120, 126, 133, 135, 140, 144, 152, 168, 171, 180, 189, 190, 210, 216, 228, 240, 252, 257, 266, 270, 277, 280, 285, 304, 315, 336, 342, 360, 378, 380, 399, 420, 432, 456, 504, 513, 514, 532, 540, 554, 560, 570, 630, 665, 684, 720, 756, 760, 771, 798, 831, 840, 855, 912, 945, 1008, 1026, 1028, 1064, 1080, 1108, 1140, 1197, 1260, 1285, 1330, 1368, 1385, 1512, 1520, 1542, 1596, 1662, 1680, 1710, 1799, 1890, 1939, 1995, 2052, 2056, 2128, 2160, 2216, 2280, 2313, 2394, 2493, 2520, 2565, 2570, 2660, 2736, 2770, 3024, 3084, 3192, 3324, 3420, 3591, 3598, 3780, 3855, 3878, 3990, 4104, 4112, 4155, 4432, 4560, 4626, 4788, 4883, 4986, 5040, 5130, 5140, 5263, 5320, 5397, 5540, 5817, 5985, 6168, 6384, 6648, 6840, 6939, 7182, 7196, 7479, 7560, 7710, 7756, 7980, 8208, 8310, 8995, 9252, 9576, 9695, 9766, 9972, 10260, 10280, 10526, 10640, 10794, 11080, 11565, 11634, 11970, 12336, 12465, 13296, 13680, 13878, 14364, 14392, 14649, 14958, 15120, 15420, 15512, 15789, 15960, 16191, 16620, 17451, 17955, 17990, 18504, 19152, 19390, 19532, 19944, 20520, 20560, 21052, 21588, 22160, 23130, 23268, 23940, 24415, 24930, 26315, 26985, 27756, 28728, 28784, 29085, 29298, 29916, 30840, 31024, 31578, 31920, 32382, 33240, 34181, 34695, 34902, 35910, 35980, 36841, 37008, 37395, 38780, 39064, 39888, 41040, 42104, 43176, 43947, 46260, 46536, 47367, 47880, 48573, 48830, 49860, 52353, 52630, 53970, 55512, 57456, 58170, 58596, 59832, 61680, 63156, 64764, 66480, 68362, 69390, 69804, 71189, 71820, 71960, 73245, 73682, 74790, 77560, 78128, 78945, 80955, 84208, 86352, 87255, 87894, 92520, 93072, 94734, 95760, 97146, 97660, 99720, 102543, 104706, 105260, 107940, 110523, 111024, 116340, 117192, 119664, 126312, 129528, 131841, 136724, 138780, 139608, 142101, 142378, 143640, 143920, 146490, 147364, 149580, 155120, 157890, 161910, 170905, 174510, 175788, 184205, 185040, 189468, 194292, 195320, 199440, 205086, 209412, 210520, 213567, 215880, 219735, 221046, 232680, 234384, 236835, 242865, 252624, 259056, 261765, 263682, 273448, 277560, 279216, 284202, 284756, 287280, 292980, 294728, 299160, 307629, 315780, 323820, 331569, 341810, 349020, 351576, 355945, 368410, 378936, 388584, 390640, 410172, 418824, 421040, 427134, 431760, 439470, 442092, 465360, 473670, 485730, 498323, 512715, 523530, 527364, 546896, 552615, 555120, 568404, 569512, 585960, 589456, 598320, 615258, 631560, 640701, 647640, 659205, 663138, 683620, 698040, 703152, 710505, 711890, 736820, 757872, 777168, 820344, 837648, 854268, 878940, 884184, 922887, 947340, 971460, 994707, 996646, 1025430, 1047060, 1054728, 1067835, 1105230, 1136808, 1139024, 1171920, 1230516, 1263120, 1281402, 1295280, 1318410, 1326276, 1352591, 1367240, 1396080, 1421010, 1423780, 1473640, 1494969, 1538145, 1640688, 1657845, 1708536, 1757880, 1768368, 1845774, 1894680, 1922103, 1942920, 1989414, 1993292, 2050860, 2094120, 2109456, 2135670, 2210460, 2273616, 2461032, 2491615, 2562804, 2636820, 2652552, 2705182, 2734480, 2842020, 2847560, 2947280, 2989938, 3076290, 3203505, 3315690, 3417072, 3515760, 3691548, 3789360, 3844206, 3885840, 3978828, 3986584, 4057773, 4101720, 4188240, 4271340, 4420920, 4484907, 4614435, 4922064, 4973535, 4983230, 5125608, 5273640, 5305104, 5410364, 5684040, 5695120, 5979876, 6152580, 6407010, 6631380, 6762955, 7383096, 7474845, 7688412, 7957656, 7973168, 8115546, 8203440, 8542680, 8841840, 8969814, 9228870, 9468137, 9610515, 9947070, 9966460, 10251216, 10547280, 10820728, 11368080, 11959752, 12173319, 12305160, 12814020, 13262760, 13454721, 13525910, 14766192, 14949690, 15376824, 15915312, 16231092, 17085360, 17939628, 18457740, 18936274, 19221030, 19894140, 19932920, 20288865, 21641456, 22424535, 23919504, 24346638, 24610320, 25628040, 26525520, 26909442, 27051820, 28404411, 29899380, 30753648, 32462184, 35879256, 36519957, 36915480, 37872548, 38442060, 39788280, 39865840, 40577730, 44849070, 47340685, 48693276, 51256080, 53818884, 54103640, 56808822, 59798760, 60866595, 64924368, 67273605, 71758512, 73039914, 73830960, 75745096, 76884120, 79576560, 81155460, 85213233, 89698140, 94681370, 97386552, 107637768, 108207280, 113617644, 119597520, 121733190, 134547210, 142022055, 146079828, 151490192, 153768240, 162310920, 170426466, 179396280, 182599785, 189362740, 194773104, 215275536, 227235288, 243466380, 255639699, 269094420, 284044110, 292159656, 324621840, 340852932, 358792560, 365199570, 378725480, 426066165, 454470576, 486932760, 511279398, 538188840, 568088220, 584319312, 681705864, 730399140, 757450960, 852132330, 973865520, 1022558796, 1076377680, 1136176440, 1278198495, 1363411728, 1460798280, 1704264660, 2045117592, 2272352880, 2556396990, 2921596560, 3408529320, 4090235184, 5112793980, 6817058640, 10225587960, 20451175920]

約数ペア:

[(1, 20451175920), (2, 10225587960), (3, 6817058640), (4, 5112793980), (5, 4090235184), (6, 3408529320), (7, 2921596560), (8, 2556396990), (9, 2272352880), (10, 2045117592), (12, 1704264660), (14, 1460798280), (15, 1363411728), (16, 1278198495), (18, 1136176440), (19, 1076377680), (20, 1022558796), (21, 973865520), (24, 852132330), (27, 757450960), (28, 730399140), (30, 681705864), (35, 584319312), (36, 568088220), (38, 538188840), (40, 511279398), (42, 486932760), (45, 454470576), (48, 426066165), (54, 378725480), (56, 365199570), (57, 358792560), (60, 340852932), (63, 324621840), (70, 292159656), (72, 284044110), (76, 269094420), (80, 255639699), (84, 243466380), (90, 227235288), (95, 215275536), (105, 194773104), (108, 189362740), (112, 182599785), (114, 179396280), (120, 170426466), (126, 162310920), (133, 153768240), (135, 151490192), (140, 146079828), (144, 142022055), (152, 134547210), (168, 121733190), (171, 119597520), (180, 113617644), (189, 108207280), (190, 107637768), (210, 97386552), (216, 94681370), (228, 89698140), (240, 85213233), (252, 81155460), (257, 79576560), (266, 76884120), (270, 75745096), (277, 73830960), (280, 73039914), (285, 71758512), (304, 67273605), (315, 64924368), (336, 60866595), (342, 59798760), (360, 56808822), (378, 54103640), (380, 53818884), (399, 51256080), (420, 48693276), (432, 47340685), (456, 44849070), (504, 40577730), (513, 39865840), (514, 39788280), (532, 38442060), (540, 37872548), (554, 36915480), (560, 36519957), (570, 35879256), (630, 32462184), (665, 30753648), (684, 29899380), (720, 28404411), (756, 27051820), (760, 26909442), (771, 26525520), (798, 25628040), (831, 24610320), (840, 24346638), (855, 23919504), (912, 22424535), (945, 21641456), (1008, 20288865), (1026, 19932920), (1028, 19894140), (1064, 19221030), (1080, 18936274), (1108, 18457740), (1140, 17939628), (1197, 17085360), (1260, 16231092), (1285, 15915312), (1330, 15376824), (1368, 14949690), (1385, 14766192), (1512, 13525910), (1520, 13454721), (1542, 13262760), (1596, 12814020), (1662, 12305160), (1680, 12173319), (1710, 11959752), (1799, 11368080), (1890, 10820728), (1939, 10547280), (1995, 10251216), (2052, 9966460), (2056, 9947070), (2128, 9610515), (2160, 9468137), (2216, 9228870), (2280, 8969814), (2313, 8841840), (2394, 8542680), (2493, 8203440), (2520, 8115546), (2565, 7973168), (2570, 7957656), (2660, 7688412), (2736, 7474845), (2770, 7383096), (3024, 6762955), (3084, 6631380), (3192, 6407010), (3324, 6152580), (3420, 5979876), (3591, 5695120), (3598, 5684040), (3780, 5410364), (3855, 5305104), (3878, 5273640), (3990, 5125608), (4104, 4983230), (4112, 4973535), (4155, 4922064), (4432, 4614435), (4560, 4484907), (4626, 4420920), (4788, 4271340), (4883, 4188240), (4986, 4101720), (5040, 4057773), (5130, 3986584), (5140, 3978828), (5263, 3885840), (5320, 3844206), (5397, 3789360), (5540, 3691548), (5817, 3515760), (5985, 3417072), (6168, 3315690), (6384, 3203505), (6648, 3076290), (6840, 2989938), (6939, 2947280), (7182, 2847560), (7196, 2842020), (7479, 2734480), (7560, 2705182), (7710, 2652552), (7756, 2636820), (7980, 2562804), (8208, 2491615), (8310, 2461032), (8995, 2273616), (9252, 2210460), (9576, 2135670), (9695, 2109456), (9766, 2094120), (9972, 2050860), (10260, 1993292), (10280, 1989414), (10526, 1942920), (10640, 1922103), (10794, 1894680), (11080, 1845774), (11565, 1768368), (11634, 1757880), (11970, 1708536), (12336, 1657845), (12465, 1640688), (13296, 1538145), (13680, 1494969), (13878, 1473640), (14364, 1423780), (14392, 1421010), (14649, 1396080), (14958, 1367240), (15120, 1352591), (15420, 1326276), (15512, 1318410), (15789, 1295280), (15960, 1281402), (16191, 1263120), (16620, 1230516), (17451, 1171920), (17955, 1139024), (17990, 1136808), (18504, 1105230), (19152, 1067835), (19390, 1054728), (19532, 1047060), (19944, 1025430), (20520, 996646), (20560, 994707), (21052, 971460), (21588, 947340), (22160, 922887), (23130, 884184), (23268, 878940), (23940, 854268), (24415, 837648), (24930, 820344), (26315, 777168), (26985, 757872), (27756, 736820), (28728, 711890), (28784, 710505), (29085, 703152), (29298, 698040), (29916, 683620), (30840, 663138), (31024, 659205), (31578, 647640), (31920, 640701), (32382, 631560), (33240, 615258), (34181, 598320), (34695, 589456), (34902, 585960), (35910, 569512), (35980, 568404), (36841, 555120), (37008, 552615), (37395, 546896), (38780, 527364), (39064, 523530), (39888, 512715), (41040, 498323), (42104, 485730), (43176, 473670), (43947, 465360), (46260, 442092), (46536, 439470), (47367, 431760), (47880, 427134), (48573, 421040), (48830, 418824), (49860, 410172), (52353, 390640), (52630, 388584), (53970, 378936), (55512, 368410), (57456, 355945), (58170, 351576), (58596, 349020), (59832, 341810), (61680, 331569), (63156, 323820), (64764, 315780), (66480, 307629), (68362, 299160), (69390, 294728), (69804, 292980), (71189, 287280), (71820, 284756), (71960, 284202), (73245, 279216), (73682, 277560), (74790, 273448), (77560, 263682), (78128, 261765), (78945, 259056), (80955, 252624), (84208, 242865), (86352, 236835), (87255, 234384), (87894, 232680), (92520, 221046), (93072, 219735), (94734, 215880), (95760, 213567), (97146, 210520), (97660, 209412), (99720, 205086), (102543, 199440), (104706, 195320), (105260, 194292), (107940, 189468), (110523, 185040), (111024, 184205), (116340, 175788), (117192, 174510), (119664, 170905), (126312, 161910), (129528, 157890), (131841, 155120), (136724, 149580), (138780, 147364), (139608, 146490), (142101, 143920), (142378, 143640)]