20647589760

素因数分解:

$2^7\times 3^2\times 5^1\times 7^1\times {\mathrm{512093}}^1$

素因数の和:512125

約数の個数: 192

約数和(自身を含む): 81484397280

約数和(自身を除く): 60836807520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 560, 576, 630, 640, 672, 720, 840, 896, 960, 1008, 1120, 1152, 1260, 1344, 1440, 1680, 1920, 2016, 2240, 2520, 2688, 2880, 3360, 4032, 4480, 5040, 5760, 6720, 8064, 10080, 13440, 20160, 40320, 512093, 1024186, 1536279, 2048372, 2560465, 3072558, 3584651, 4096744, 4608837, 5120930, 6145116, 7169302, 7681395, 8193488, 9217674, 10241860, 10753953, 12290232, 14338604, 15362790, 16386976, 17923255, 18435348, 20483720, 21507906, 23044185, 24580464, 28677208, 30725580, 32261859, 32773952, 35846510, 36870696, 40967440, 43015812, 46088370, 49160928, 53769765, 57354416, 61451160, 64523718, 65547904, 71693020, 73741392, 81934880, 86031624, 92176740, 98321856, 107539530, 114708832, 122902320, 129047436, 143386040, 147482784, 161309295, 163869760, 172063248, 184353480, 196643712, 215079060, 229417664, 245804640, 258094872, 286772080, 294965568, 322618590, 327739520, 344126496, 368706960, 430158120, 458835328, 491609280, 516189744, 573544160, 589931136, 645237180, 688252992, 737413920, 860316240, 983218560, 1032379488, 1147088320, 1290474360, 1376505984, 1474827840, 1720632480, 2064758976, 2294176640, 2580948720, 2949655680, 3441264960, 4129517952, 5161897440, 6882529920, 10323794880, 20647589760]

約数ペア:

[(1, 20647589760), (2, 10323794880), (3, 6882529920), (4, 5161897440), (5, 4129517952), (6, 3441264960), (7, 2949655680), (8, 2580948720), (9, 2294176640), (10, 2064758976), (12, 1720632480), (14, 1474827840), (15, 1376505984), (16, 1290474360), (18, 1147088320), (20, 1032379488), (21, 983218560), (24, 860316240), (28, 737413920), (30, 688252992), (32, 645237180), (35, 589931136), (36, 573544160), (40, 516189744), (42, 491609280), (45, 458835328), (48, 430158120), (56, 368706960), (60, 344126496), (63, 327739520), (64, 322618590), (70, 294965568), (72, 286772080), (80, 258094872), (84, 245804640), (90, 229417664), (96, 215079060), (105, 196643712), (112, 184353480), (120, 172063248), (126, 163869760), (128, 161309295), (140, 147482784), (144, 143386040), (160, 129047436), (168, 122902320), (180, 114708832), (192, 107539530), (210, 98321856), (224, 92176740), (240, 86031624), (252, 81934880), (280, 73741392), (288, 71693020), (315, 65547904), (320, 64523718), (336, 61451160), (360, 57354416), (384, 53769765), (420, 49160928), (448, 46088370), (480, 43015812), (504, 40967440), (560, 36870696), (576, 35846510), (630, 32773952), (640, 32261859), (672, 30725580), (720, 28677208), (840, 24580464), (896, 23044185), (960, 21507906), (1008, 20483720), (1120, 18435348), (1152, 17923255), (1260, 16386976), (1344, 15362790), (1440, 14338604), (1680, 12290232), (1920, 10753953), (2016, 10241860), (2240, 9217674), (2520, 8193488), (2688, 7681395), (2880, 7169302), (3360, 6145116), (4032, 5120930), (4480, 4608837), (5040, 4096744), (5760, 3584651), (6720, 3072558), (8064, 2560465), (10080, 2048372), (13440, 1536279), (20160, 1024186), (40320, 512093)]