20797002240

素因数分解:

$2^9\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{12479}}^1$

素因数の和:12543

約数の個数: 320

約数和(自身を含む): 78440693760

約数和(自身を除く): 57643691520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 32, 35, 40, 42, 48, 56, 60, 62, 64, 70, 80, 84, 93, 96, 105, 112, 120, 124, 128, 140, 155, 160, 168, 186, 192, 210, 217, 224, 240, 248, 256, 280, 310, 320, 336, 372, 384, 420, 434, 448, 465, 480, 496, 512, 560, 620, 640, 651, 672, 744, 768, 840, 868, 896, 930, 960, 992, 1085, 1120, 1240, 1280, 1302, 1344, 1488, 1536, 1680, 1736, 1792, 1860, 1920, 1984, 2170, 2240, 2480, 2560, 2604, 2688, 2976, 3255, 3360, 3472, 3584, 3720, 3840, 3968, 4340, 4480, 4960, 5208, 5376, 5952, 6510, 6720, 6944, 7440, 7680, 7936, 8680, 8960, 9920, 10416, 10752, 11904, 12479, 13020, 13440, 13888, 14880, 15872, 17360, 17920, 19840, 20832, 23808, 24958, 26040, 26880, 27776, 29760, 34720, 37437, 39680, 41664, 47616, 49916, 52080, 53760, 55552, 59520, 62395, 69440, 74874, 79360, 83328, 87353, 99832, 104160, 111104, 119040, 124790, 138880, 149748, 166656, 174706, 187185, 199664, 208320, 238080, 249580, 262059, 277760, 299496, 333312, 349412, 374370, 386849, 399328, 416640, 436765, 499160, 524118, 555520, 598992, 698824, 748740, 773698, 798656, 833280, 873530, 998320, 1048236, 1160547, 1197984, 1310295, 1397648, 1497480, 1547396, 1597312, 1666560, 1747060, 1934245, 1996640, 2096472, 2321094, 2395968, 2620590, 2707943, 2795296, 2994960, 3094792, 3194624, 3494120, 3868490, 3993280, 4192944, 4642188, 4791936, 5241180, 5415886, 5590592, 5802735, 5989920, 6189584, 6389248, 6988240, 7736980, 7986560, 8123829, 8385888, 9284376, 9583872, 10482360, 10831772, 11181184, 11605470, 11979840, 12379168, 13539715, 13976480, 15473960, 15973120, 16247658, 16771776, 18568752, 19167744, 20964720, 21663544, 22362368, 23210940, 23959680, 24758336, 27079430, 27952960, 30947920, 31946240, 32495316, 33543552, 37137504, 40619145, 41929440, 43327088, 44724736, 46421880, 47919360, 49516672, 54158860, 55905920, 61895840, 64990632, 67087104, 74275008, 81238290, 83858880, 86654176, 92843760, 95838720, 99033344, 108317720, 111811840, 123791680, 129981264, 134174208, 148550016, 162476580, 167717760, 173308352, 185687520, 198066688, 216635440, 223623680, 247583360, 259962528, 297100032, 324953160, 335435520, 346616704, 371375040, 433270880, 495166720, 519925056, 594200064, 649906320, 670871040, 693233408, 742750080, 866541760, 990333440, 1039850112, 1299812640, 1386466816, 1485500160, 1733083520, 2079700224, 2599625280, 2971000320, 3466167040, 4159400448, 5199250560, 6932334080, 10398501120, 20797002240]

約数ペア:

[(1, 20797002240), (2, 10398501120), (3, 6932334080), (4, 5199250560), (5, 4159400448), (6, 3466167040), (7, 2971000320), (8, 2599625280), (10, 2079700224), (12, 1733083520), (14, 1485500160), (15, 1386466816), (16, 1299812640), (20, 1039850112), (21, 990333440), (24, 866541760), (28, 742750080), (30, 693233408), (31, 670871040), (32, 649906320), (35, 594200064), (40, 519925056), (42, 495166720), (48, 433270880), (56, 371375040), (60, 346616704), (62, 335435520), (64, 324953160), (70, 297100032), (80, 259962528), (84, 247583360), (93, 223623680), (96, 216635440), (105, 198066688), (112, 185687520), (120, 173308352), (124, 167717760), (128, 162476580), (140, 148550016), (155, 134174208), (160, 129981264), (168, 123791680), (186, 111811840), (192, 108317720), (210, 99033344), (217, 95838720), (224, 92843760), (240, 86654176), (248, 83858880), (256, 81238290), (280, 74275008), (310, 67087104), (320, 64990632), (336, 61895840), (372, 55905920), (384, 54158860), (420, 49516672), (434, 47919360), (448, 46421880), (465, 44724736), (480, 43327088), (496, 41929440), (512, 40619145), (560, 37137504), (620, 33543552), (640, 32495316), (651, 31946240), (672, 30947920), (744, 27952960), (768, 27079430), (840, 24758336), (868, 23959680), (896, 23210940), (930, 22362368), (960, 21663544), (992, 20964720), (1085, 19167744), (1120, 18568752), (1240, 16771776), (1280, 16247658), (1302, 15973120), (1344, 15473960), (1488, 13976480), (1536, 13539715), (1680, 12379168), (1736, 11979840), (1792, 11605470), (1860, 11181184), (1920, 10831772), (1984, 10482360), (2170, 9583872), (2240, 9284376), (2480, 8385888), (2560, 8123829), (2604, 7986560), (2688, 7736980), (2976, 6988240), (3255, 6389248), (3360, 6189584), (3472, 5989920), (3584, 5802735), (3720, 5590592), (3840, 5415886), (3968, 5241180), (4340, 4791936), (4480, 4642188), (4960, 4192944), (5208, 3993280), (5376, 3868490), (5952, 3494120), (6510, 3194624), (6720, 3094792), (6944, 2994960), (7440, 2795296), (7680, 2707943), (7936, 2620590), (8680, 2395968), (8960, 2321094), (9920, 2096472), (10416, 1996640), (10752, 1934245), (11904, 1747060), (12479, 1666560), (13020, 1597312), (13440, 1547396), (13888, 1497480), (14880, 1397648), (15872, 1310295), (17360, 1197984), (17920, 1160547), (19840, 1048236), (20832, 998320), (23808, 873530), (24958, 833280), (26040, 798656), (26880, 773698), (27776, 748740), (29760, 698824), (34720, 598992), (37437, 555520), (39680, 524118), (41664, 499160), (47616, 436765), (49916, 416640), (52080, 399328), (53760, 386849), (55552, 374370), (59520, 349412), (62395, 333312), (69440, 299496), (74874, 277760), (79360, 262059), (83328, 249580), (87353, 238080), (99832, 208320), (104160, 199664), (111104, 187185), (119040, 174706), (124790, 166656), (138880, 149748)]