20998679520

素因数分解:

$2^5\times 3^1\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{9811}}^1$

素因数の和:9863

約数の個数: 384

約数和(自身を含む): 83080166400

約数和(自身を除く): 62081486880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 32, 35, 39, 40, 42, 48, 49, 52, 56, 60, 65, 70, 78, 80, 84, 91, 96, 98, 104, 105, 112, 120, 130, 140, 147, 156, 160, 168, 182, 195, 196, 208, 210, 224, 240, 245, 260, 273, 280, 294, 312, 336, 343, 364, 390, 392, 416, 420, 455, 480, 490, 520, 546, 560, 588, 624, 637, 672, 686, 728, 735, 780, 784, 840, 910, 980, 1029, 1040, 1092, 1120, 1176, 1248, 1274, 1365, 1372, 1456, 1470, 1560, 1568, 1680, 1715, 1820, 1911, 1960, 2058, 2080, 2184, 2352, 2548, 2730, 2744, 2912, 2940, 3120, 3185, 3360, 3430, 3640, 3822, 3920, 4116, 4368, 4459, 4704, 5096, 5145, 5460, 5488, 5880, 6240, 6370, 6860, 7280, 7644, 7840, 8232, 8736, 8918, 9555, 9811, 10192, 10290, 10920, 10976, 11760, 12740, 13377, 13720, 14560, 15288, 16464, 17836, 19110, 19622, 20384, 20580, 21840, 22295, 23520, 25480, 26754, 27440, 29433, 30576, 32928, 35672, 38220, 39244, 41160, 43680, 44590, 49055, 50960, 53508, 54880, 58866, 61152, 66885, 68677, 71344, 76440, 78488, 82320, 89180, 98110, 101920, 107016, 117732, 127543, 133770, 137354, 142688, 147165, 152880, 156976, 164640, 178360, 196220, 206031, 214032, 235464, 255086, 267540, 274708, 294330, 305760, 313952, 343385, 356720, 382629, 392440, 412062, 428064, 470928, 480739, 510172, 535080, 549416, 588660, 637715, 686770, 713440, 765258, 784880, 824124, 892801, 941856, 961478, 1020344, 1030155, 1070160, 1098832, 1177320, 1275430, 1373540, 1442217, 1530516, 1569760, 1648248, 1785602, 1913145, 1922956, 2040688, 2060310, 2140320, 2197664, 2354640, 2403695, 2550860, 2678403, 2747080, 2884434, 3061032, 3296496, 3365173, 3571204, 3826290, 3845912, 4081376, 4120620, 4464005, 4709280, 4807390, 5101720, 5356806, 5494160, 5768868, 6122064, 6249607, 6592992, 6730346, 7142408, 7211085, 7652580, 7691824, 8241240, 8928010, 9614780, 10095519, 10203440, 10713612, 10988320, 11537736, 12244128, 12499214, 13392015, 13460692, 14284816, 14422170, 15305160, 15383648, 16482480, 16825865, 17856020, 18748821, 19229560, 20191038, 20406880, 21427224, 23075472, 24998428, 26784030, 26921384, 28569632, 28844340, 30610320, 31248035, 32964960, 33651730, 35712040, 37497642, 38459120, 40382076, 42854448, 43747249, 46150944, 49996856, 50477595, 53568060, 53842768, 57688680, 61220640, 62496070, 67303460, 71424080, 74995284, 76918240, 80764152, 85708896, 87494498, 93744105, 99993712, 100955190, 107136120, 107685536, 115377360, 124992140, 131241747, 134606920, 142848160, 149990568, 161528304, 174988996, 187488210, 199987424, 201910380, 214272240, 218736245, 230754720, 249984280, 262483494, 269213840, 299981136, 323056608, 349977992, 374976420, 403820760, 428544480, 437472490, 499968560, 524966988, 538427680, 599962272, 656208735, 699955984, 749952840, 807641520, 874944980, 999937120, 1049933976, 1312417470, 1399911968, 1499905680, 1615283040, 1749889960, 2099867952, 2624834940, 2999811360, 3499779920, 4199735904, 5249669880, 6999559840, 10499339760, 20998679520]

約数ペア:

[(1, 20998679520), (2, 10499339760), (3, 6999559840), (4, 5249669880), (5, 4199735904), (6, 3499779920), (7, 2999811360), (8, 2624834940), (10, 2099867952), (12, 1749889960), (13, 1615283040), (14, 1499905680), (15, 1399911968), (16, 1312417470), (20, 1049933976), (21, 999937120), (24, 874944980), (26, 807641520), (28, 749952840), (30, 699955984), (32, 656208735), (35, 599962272), (39, 538427680), (40, 524966988), (42, 499968560), (48, 437472490), (49, 428544480), (52, 403820760), (56, 374976420), (60, 349977992), (65, 323056608), (70, 299981136), (78, 269213840), (80, 262483494), (84, 249984280), (91, 230754720), (96, 218736245), (98, 214272240), (104, 201910380), (105, 199987424), (112, 187488210), (120, 174988996), (130, 161528304), (140, 149990568), (147, 142848160), (156, 134606920), (160, 131241747), (168, 124992140), (182, 115377360), (195, 107685536), (196, 107136120), (208, 100955190), (210, 99993712), (224, 93744105), (240, 87494498), (245, 85708896), (260, 80764152), (273, 76918240), (280, 74995284), (294, 71424080), (312, 67303460), (336, 62496070), (343, 61220640), (364, 57688680), (390, 53842768), (392, 53568060), (416, 50477595), (420, 49996856), (455, 46150944), (480, 43747249), (490, 42854448), (520, 40382076), (546, 38459120), (560, 37497642), (588, 35712040), (624, 33651730), (637, 32964960), (672, 31248035), (686, 30610320), (728, 28844340), (735, 28569632), (780, 26921384), (784, 26784030), (840, 24998428), (910, 23075472), (980, 21427224), (1029, 20406880), (1040, 20191038), (1092, 19229560), (1120, 18748821), (1176, 17856020), (1248, 16825865), (1274, 16482480), (1365, 15383648), (1372, 15305160), (1456, 14422170), (1470, 14284816), (1560, 13460692), (1568, 13392015), (1680, 12499214), (1715, 12244128), (1820, 11537736), (1911, 10988320), (1960, 10713612), (2058, 10203440), (2080, 10095519), (2184, 9614780), (2352, 8928010), (2548, 8241240), (2730, 7691824), (2744, 7652580), (2912, 7211085), (2940, 7142408), (3120, 6730346), (3185, 6592992), (3360, 6249607), (3430, 6122064), (3640, 5768868), (3822, 5494160), (3920, 5356806), (4116, 5101720), (4368, 4807390), (4459, 4709280), (4704, 4464005), (5096, 4120620), (5145, 4081376), (5460, 3845912), (5488, 3826290), (5880, 3571204), (6240, 3365173), (6370, 3296496), (6860, 3061032), (7280, 2884434), (7644, 2747080), (7840, 2678403), (8232, 2550860), (8736, 2403695), (8918, 2354640), (9555, 2197664), (9811, 2140320), (10192, 2060310), (10290, 2040688), (10920, 1922956), (10976, 1913145), (11760, 1785602), (12740, 1648248), (13377, 1569760), (13720, 1530516), (14560, 1442217), (15288, 1373540), (16464, 1275430), (17836, 1177320), (19110, 1098832), (19622, 1070160), (20384, 1030155), (20580, 1020344), (21840, 961478), (22295, 941856), (23520, 892801), (25480, 824124), (26754, 784880), (27440, 765258), (29433, 713440), (30576, 686770), (32928, 637715), (35672, 588660), (38220, 549416), (39244, 535080), (41160, 510172), (43680, 480739), (44590, 470928), (49055, 428064), (50960, 412062), (53508, 392440), (54880, 382629), (58866, 356720), (61152, 343385), (66885, 313952), (68677, 305760), (71344, 294330), (76440, 274708), (78488, 267540), (82320, 255086), (89180, 235464), (98110, 214032), (101920, 206031), (107016, 196220), (117732, 178360), (127543, 164640), (133770, 156976), (137354, 152880), (142688, 147165)]