20457135720

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1\times {\mathrm{1453}}^1$

素因数の和:1665

約数の個数: 384

約数和(自身を含む): 78608125440

約数和(自身を除く): 58150989720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 37, 40, 42, 45, 56, 60, 63, 70, 72, 74, 84, 90, 105, 111, 120, 126, 140, 148, 151, 168, 180, 185, 210, 222, 252, 259, 280, 296, 302, 315, 333, 360, 370, 420, 444, 453, 504, 518, 555, 604, 630, 666, 740, 755, 777, 840, 888, 906, 1036, 1057, 1110, 1208, 1260, 1295, 1332, 1359, 1453, 1480, 1510, 1554, 1665, 1812, 2072, 2114, 2220, 2265, 2331, 2520, 2590, 2664, 2718, 2906, 3020, 3108, 3171, 3330, 3624, 3885, 4228, 4359, 4440, 4530, 4662, 5180, 5285, 5436, 5587, 5812, 6040, 6216, 6342, 6660, 6795, 7265, 7770, 8456, 8718, 9060, 9324, 9513, 10171, 10360, 10570, 10872, 11174, 11624, 11655, 12684, 13077, 13320, 13590, 14530, 15540, 15855, 16761, 17436, 18120, 18648, 19026, 20342, 21140, 21795, 22348, 23310, 25368, 26154, 27180, 27935, 29060, 30513, 31080, 31710, 33522, 34872, 38052, 39109, 40684, 42280, 43590, 44696, 46620, 47565, 50283, 50855, 52308, 53761, 54360, 55870, 58120, 61026, 63420, 65385, 67044, 76104, 78218, 81368, 83805, 87180, 91539, 93240, 95130, 100566, 101710, 104616, 107522, 111740, 117327, 122052, 126840, 130770, 134088, 152565, 156436, 161283, 167610, 174360, 183078, 190260, 195545, 201132, 203420, 215044, 219403, 223480, 234654, 244104, 251415, 261540, 268805, 305130, 312872, 322566, 335220, 351981, 366156, 376327, 380520, 391090, 402264, 406840, 430088, 438806, 457695, 469308, 483849, 502830, 523080, 537610, 586635, 610260, 645132, 658209, 670440, 703962, 732312, 752654, 782180, 806415, 877612, 915390, 938616, 967698, 1005660, 1075220, 1097015, 1128981, 1173270, 1220520, 1290264, 1316418, 1407924, 1505308, 1535821, 1564360, 1612830, 1755224, 1759905, 1830780, 1881635, 1935396, 1974627, 2011320, 2150440, 2194030, 2257962, 2346540, 2419245, 2632836, 2815848, 3010616, 3071642, 3225660, 3291045, 3386943, 3519810, 3661560, 3763270, 3870792, 3949254, 4388060, 4515924, 4607463, 4693080, 4838490, 5265672, 5644905, 6143284, 6451320, 6582090, 6773886, 7039620, 7526540, 7679105, 7898508, 8117911, 8776120, 9031848, 9214926, 9676980, 9873135, 11289810, 12286568, 13164180, 13547772, 13822389, 14079240, 15053080, 15358210, 15797016, 16235822, 16934715, 18429852, 19353960, 19746270, 22579620, 23037315, 24353733, 26328360, 27095544, 27644778, 30716420, 32471644, 33869430, 36859704, 39492540, 40589555, 45159240, 46074630, 48707466, 55289556, 56825377, 61432840, 64943288, 67738860, 69111945, 73061199, 78985080, 81179110, 92149260, 97414932, 110579112, 113650754, 121768665, 135477720, 138223890, 146122398, 162358220, 170476131, 184298520, 194829864, 227301508, 243537330, 276447780, 284126885, 292244796, 324716440, 340952262, 365305995, 454603016, 487074660, 511428393, 552895560, 568253770, 584489592, 681904524, 730611990, 852380655, 974149320, 1022856786, 1136507540, 1363809048, 1461223980, 1704761310, 2045713572, 2273015080, 2557141965, 2922447960, 3409522620, 4091427144, 5114283930, 6819045240, 10228567860, 20457135720]

約数ペア:

[(1, 20457135720), (2, 10228567860), (3, 6819045240), (4, 5114283930), (5, 4091427144), (6, 3409522620), (7, 2922447960), (8, 2557141965), (9, 2273015080), (10, 2045713572), (12, 1704761310), (14, 1461223980), (15, 1363809048), (18, 1136507540), (20, 1022856786), (21, 974149320), (24, 852380655), (28, 730611990), (30, 681904524), (35, 584489592), (36, 568253770), (37, 552895560), (40, 511428393), (42, 487074660), (45, 454603016), (56, 365305995), (60, 340952262), (63, 324716440), (70, 292244796), (72, 284126885), (74, 276447780), (84, 243537330), (90, 227301508), (105, 194829864), (111, 184298520), (120, 170476131), (126, 162358220), (140, 146122398), (148, 138223890), (151, 135477720), (168, 121768665), (180, 113650754), (185, 110579112), (210, 97414932), (222, 92149260), (252, 81179110), (259, 78985080), (280, 73061199), (296, 69111945), (302, 67738860), (315, 64943288), (333, 61432840), (360, 56825377), (370, 55289556), (420, 48707466), (444, 46074630), (453, 45159240), (504, 40589555), (518, 39492540), (555, 36859704), (604, 33869430), (630, 32471644), (666, 30716420), (740, 27644778), (755, 27095544), (777, 26328360), (840, 24353733), (888, 23037315), (906, 22579620), (1036, 19746270), (1057, 19353960), (1110, 18429852), (1208, 16934715), (1260, 16235822), (1295, 15797016), (1332, 15358210), (1359, 15053080), (1453, 14079240), (1480, 13822389), (1510, 13547772), (1554, 13164180), (1665, 12286568), (1812, 11289810), (2072, 9873135), (2114, 9676980), (2220, 9214926), (2265, 9031848), (2331, 8776120), (2520, 8117911), (2590, 7898508), (2664, 7679105), (2718, 7526540), (2906, 7039620), (3020, 6773886), (3108, 6582090), (3171, 6451320), (3330, 6143284), (3624, 5644905), (3885, 5265672), (4228, 4838490), (4359, 4693080), (4440, 4607463), (4530, 4515924), (4662, 4388060), (5180, 3949254), (5285, 3870792), (5436, 3763270), (5587, 3661560), (5812, 3519810), (6040, 3386943), (6216, 3291045), (6342, 3225660), (6660, 3071642), (6795, 3010616), (7265, 2815848), (7770, 2632836), (8456, 2419245), (8718, 2346540), (9060, 2257962), (9324, 2194030), (9513, 2150440), (10171, 2011320), (10360, 1974627), (10570, 1935396), (10872, 1881635), (11174, 1830780), (11624, 1759905), (11655, 1755224), (12684, 1612830), (13077, 1564360), (13320, 1535821), (13590, 1505308), (14530, 1407924), (15540, 1316418), (15855, 1290264), (16761, 1220520), (17436, 1173270), (18120, 1128981), (18648, 1097015), (19026, 1075220), (20342, 1005660), (21140, 967698), (21795, 938616), (22348, 915390), (23310, 877612), (25368, 806415), (26154, 782180), (27180, 752654), (27935, 732312), (29060, 703962), (30513, 670440), (31080, 658209), (31710, 645132), (33522, 610260), (34872, 586635), (38052, 537610), (39109, 523080), (40684, 502830), (42280, 483849), (43590, 469308), (44696, 457695), (46620, 438806), (47565, 430088), (50283, 406840), (50855, 402264), (52308, 391090), (53761, 380520), (54360, 376327), (55870, 366156), (58120, 351981), (61026, 335220), (63420, 322566), (65385, 312872), (67044, 305130), (76104, 268805), (78218, 261540), (81368, 251415), (83805, 244104), (87180, 234654), (91539, 223480), (93240, 219403), (95130, 215044), (100566, 203420), (101710, 201132), (104616, 195545), (107522, 190260), (111740, 183078), (117327, 174360), (122052, 167610), (126840, 161283), (130770, 156436), (134088, 152565)]