20740285440

素因数分解:

$2^{10}\times 3^3\times 5^1\times 7^1\times {\mathrm{21433}}^1$

素因数の和:21474

約数の個数: 352

約数和(自身を含む): 84240764160

約数和(自身を除く): 63500478720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 128, 135, 140, 144, 160, 168, 180, 189, 192, 210, 216, 224, 240, 252, 256, 270, 280, 288, 315, 320, 336, 360, 378, 384, 420, 432, 448, 480, 504, 512, 540, 560, 576, 630, 640, 672, 720, 756, 768, 840, 864, 896, 945, 960, 1008, 1024, 1080, 1120, 1152, 1260, 1280, 1344, 1440, 1512, 1536, 1680, 1728, 1792, 1890, 1920, 2016, 2160, 2240, 2304, 2520, 2560, 2688, 2880, 3024, 3072, 3360, 3456, 3584, 3780, 3840, 4032, 4320, 4480, 4608, 5040, 5120, 5376, 5760, 6048, 6720, 6912, 7168, 7560, 7680, 8064, 8640, 8960, 9216, 10080, 10752, 11520, 12096, 13440, 13824, 15120, 15360, 16128, 17280, 17920, 20160, 21433, 21504, 23040, 24192, 26880, 27648, 30240, 32256, 34560, 35840, 40320, 42866, 46080, 48384, 53760, 60480, 64299, 64512, 69120, 80640, 85732, 96768, 107165, 107520, 120960, 128598, 138240, 150031, 161280, 171464, 192897, 193536, 214330, 241920, 257196, 300062, 321495, 322560, 342928, 385794, 428660, 450093, 483840, 514392, 578691, 600124, 642990, 685856, 750155, 771588, 857320, 900186, 964485, 967680, 1028784, 1157382, 1200248, 1285980, 1350279, 1371712, 1500310, 1543176, 1714640, 1800372, 1928970, 2057568, 2250465, 2314764, 2400496, 2571960, 2700558, 2743424, 2893455, 3000620, 3086352, 3429280, 3600744, 3857940, 4050837, 4115136, 4500930, 4629528, 4800992, 5143920, 5401116, 5486848, 5786910, 6001240, 6172704, 6751395, 6858560, 7201488, 7715880, 8101674, 8230272, 9001860, 9259056, 9601984, 10287840, 10802232, 10973696, 11573820, 12002480, 12345408, 13502790, 13717120, 14402976, 15431760, 16203348, 16460544, 18003720, 18518112, 19203968, 20254185, 20575680, 21604464, 21947392, 23147640, 24004960, 24690816, 27005580, 27434240, 28805952, 30863520, 32406696, 32921088, 36007440, 37036224, 38407936, 40508370, 41151360, 43208928, 46295280, 48009920, 49381632, 54011160, 54868480, 57611904, 61727040, 64813392, 65842176, 72014880, 74072448, 76815872, 81016740, 82302720, 86417856, 92590560, 96019840, 98763264, 108022320, 109736960, 115223808, 123454080, 129626784, 144029760, 148144896, 153631744, 162033480, 164605440, 172835712, 185181120, 192039680, 197526528, 216044640, 230447616, 246908160, 259253568, 288059520, 296289792, 324066960, 329210880, 345671424, 370362240, 384079360, 432089280, 460895232, 493816320, 518507136, 576119040, 592579584, 648133920, 691342848, 740724480, 768158720, 864178560, 987632640, 1037014272, 1152238080, 1296267840, 1382685696, 1481448960, 1728357120, 2074028544, 2304476160, 2592535680, 2962897920, 3456714240, 4148057088, 5185071360, 6913428480, 10370142720, 20740285440]

約数ペア:

[(1, 20740285440), (2, 10370142720), (3, 6913428480), (4, 5185071360), (5, 4148057088), (6, 3456714240), (7, 2962897920), (8, 2592535680), (9, 2304476160), (10, 2074028544), (12, 1728357120), (14, 1481448960), (15, 1382685696), (16, 1296267840), (18, 1152238080), (20, 1037014272), (21, 987632640), (24, 864178560), (27, 768158720), (28, 740724480), (30, 691342848), (32, 648133920), (35, 592579584), (36, 576119040), (40, 518507136), (42, 493816320), (45, 460895232), (48, 432089280), (54, 384079360), (56, 370362240), (60, 345671424), (63, 329210880), (64, 324066960), (70, 296289792), (72, 288059520), (80, 259253568), (84, 246908160), (90, 230447616), (96, 216044640), (105, 197526528), (108, 192039680), (112, 185181120), (120, 172835712), (126, 164605440), (128, 162033480), (135, 153631744), (140, 148144896), (144, 144029760), (160, 129626784), (168, 123454080), (180, 115223808), (189, 109736960), (192, 108022320), (210, 98763264), (216, 96019840), (224, 92590560), (240, 86417856), (252, 82302720), (256, 81016740), (270, 76815872), (280, 74072448), (288, 72014880), (315, 65842176), (320, 64813392), (336, 61727040), (360, 57611904), (378, 54868480), (384, 54011160), (420, 49381632), (432, 48009920), (448, 46295280), (480, 43208928), (504, 41151360), (512, 40508370), (540, 38407936), (560, 37036224), (576, 36007440), (630, 32921088), (640, 32406696), (672, 30863520), (720, 28805952), (756, 27434240), (768, 27005580), (840, 24690816), (864, 24004960), (896, 23147640), (945, 21947392), (960, 21604464), (1008, 20575680), (1024, 20254185), (1080, 19203968), (1120, 18518112), (1152, 18003720), (1260, 16460544), (1280, 16203348), (1344, 15431760), (1440, 14402976), (1512, 13717120), (1536, 13502790), (1680, 12345408), (1728, 12002480), (1792, 11573820), (1890, 10973696), (1920, 10802232), (2016, 10287840), (2160, 9601984), (2240, 9259056), (2304, 9001860), (2520, 8230272), (2560, 8101674), (2688, 7715880), (2880, 7201488), (3024, 6858560), (3072, 6751395), (3360, 6172704), (3456, 6001240), (3584, 5786910), (3780, 5486848), (3840, 5401116), (4032, 5143920), (4320, 4800992), (4480, 4629528), (4608, 4500930), (5040, 4115136), (5120, 4050837), (5376, 3857940), (5760, 3600744), (6048, 3429280), (6720, 3086352), (6912, 3000620), (7168, 2893455), (7560, 2743424), (7680, 2700558), (8064, 2571960), (8640, 2400496), (8960, 2314764), (9216, 2250465), (10080, 2057568), (10752, 1928970), (11520, 1800372), (12096, 1714640), (13440, 1543176), (13824, 1500310), (15120, 1371712), (15360, 1350279), (16128, 1285980), (17280, 1200248), (17920, 1157382), (20160, 1028784), (21433, 967680), (21504, 964485), (23040, 900186), (24192, 857320), (26880, 771588), (27648, 750155), (30240, 685856), (32256, 642990), (34560, 600124), (35840, 578691), (40320, 514392), (42866, 483840), (46080, 450093), (48384, 428660), (53760, 385794), (60480, 342928), (64299, 322560), (64512, 321495), (69120, 300062), (80640, 257196), (85732, 241920), (96768, 214330), (107165, 193536), (107520, 192897), (120960, 171464), (128598, 161280), (138240, 150031)]