20785622760

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{2861}}^1$

素因数の和:2950

約数の個数: 384

約数和(自身を含む): 81848620800

約数和(自身を除く): 61062998040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 31, 35, 36, 40, 42, 45, 54, 56, 60, 62, 63, 70, 72, 84, 90, 93, 105, 108, 120, 124, 126, 135, 140, 155, 168, 180, 186, 189, 210, 216, 217, 248, 252, 270, 279, 280, 310, 315, 360, 372, 378, 420, 434, 465, 504, 540, 558, 620, 630, 651, 744, 756, 837, 840, 868, 930, 945, 961, 1080, 1085, 1116, 1240, 1260, 1302, 1395, 1512, 1674, 1736, 1860, 1890, 1922, 1953, 2170, 2232, 2520, 2604, 2790, 2861, 2883, 3255, 3348, 3720, 3780, 3844, 3906, 4185, 4340, 4805, 5208, 5580, 5722, 5766, 5859, 6510, 6696, 6727, 7560, 7688, 7812, 8370, 8583, 8649, 8680, 9610, 9765, 11160, 11444, 11532, 11718, 13020, 13454, 14305, 14415, 15624, 16740, 17166, 17298, 19220, 19530, 20027, 20181, 22888, 23064, 23436, 25749, 25947, 26040, 26908, 28610, 28830, 29295, 33480, 33635, 34332, 34596, 38440, 39060, 40054, 40362, 42915, 43245, 46872, 51498, 51894, 53816, 57220, 57660, 58590, 60081, 60543, 67270, 68664, 69192, 77247, 78120, 80108, 80724, 85830, 86490, 88691, 100135, 100905, 102996, 103788, 114440, 115320, 117180, 120162, 121086, 128745, 129735, 134540, 154494, 160216, 161448, 171660, 172980, 177382, 180243, 181629, 200270, 201810, 205992, 207576, 234360, 240324, 242172, 257490, 259470, 266073, 269080, 300405, 302715, 308988, 343320, 345960, 354764, 360486, 363258, 386235, 400540, 403620, 443455, 480648, 484344, 514980, 518940, 532146, 540729, 600810, 605430, 617976, 620837, 709528, 720972, 726516, 772470, 798219, 801080, 807240, 886910, 901215, 908145, 1029960, 1037880, 1064292, 1081458, 1201620, 1210860, 1241674, 1330365, 1441944, 1453032, 1544940, 1596438, 1773820, 1802430, 1816290, 1862511, 2128584, 2162916, 2394657, 2403240, 2421720, 2483348, 2660730, 2703645, 2749421, 3089880, 3104185, 3192876, 3547640, 3604860, 3632580, 3725022, 3991095, 4325832, 4789314, 4966696, 5321460, 5407290, 5498842, 5587533, 6208370, 6385752, 7209720, 7265160, 7450044, 7982190, 8248263, 9312555, 9578628, 10642920, 10814580, 10997684, 11175066, 11973285, 12416740, 13747105, 14900088, 15964380, 16496526, 16762599, 18625110, 19157256, 19245947, 21629160, 21995368, 22350132, 23946570, 24744789, 24833480, 27494210, 27937665, 31928760, 32993052, 33525198, 37250220, 38491894, 41241315, 44700264, 47893140, 49489578, 54988420, 55875330, 57737841, 65986104, 67050396, 74234367, 74500440, 76983788, 82482630, 83812995, 95786280, 96229735, 98979156, 109976840, 111750660, 115475682, 123723945, 134100792, 148468734, 153967576, 164965260, 167625990, 173213523, 192459470, 197958312, 223501320, 230951364, 247447890, 288689205, 296937468, 329930520, 335251980, 346427046, 371171835, 384918940, 461902728, 494895780, 519640569, 577378410, 593874936, 670503960, 692854092, 742343670, 769837880, 866067615, 989791560, 1039281138, 1154756820, 1385708184, 1484687340, 1732135230, 2078562276, 2309513640, 2598202845, 2969374680, 3464270460, 4157124552, 5196405690, 6928540920, 10392811380, 20785622760]

約数ペア:

[(1, 20785622760), (2, 10392811380), (3, 6928540920), (4, 5196405690), (5, 4157124552), (6, 3464270460), (7, 2969374680), (8, 2598202845), (9, 2309513640), (10, 2078562276), (12, 1732135230), (14, 1484687340), (15, 1385708184), (18, 1154756820), (20, 1039281138), (21, 989791560), (24, 866067615), (27, 769837880), (28, 742343670), (30, 692854092), (31, 670503960), (35, 593874936), (36, 577378410), (40, 519640569), (42, 494895780), (45, 461902728), (54, 384918940), (56, 371171835), (60, 346427046), (62, 335251980), (63, 329930520), (70, 296937468), (72, 288689205), (84, 247447890), (90, 230951364), (93, 223501320), (105, 197958312), (108, 192459470), (120, 173213523), (124, 167625990), (126, 164965260), (135, 153967576), (140, 148468734), (155, 134100792), (168, 123723945), (180, 115475682), (186, 111750660), (189, 109976840), (210, 98979156), (216, 96229735), (217, 95786280), (248, 83812995), (252, 82482630), (270, 76983788), (279, 74500440), (280, 74234367), (310, 67050396), (315, 65986104), (360, 57737841), (372, 55875330), (378, 54988420), (420, 49489578), (434, 47893140), (465, 44700264), (504, 41241315), (540, 38491894), (558, 37250220), (620, 33525198), (630, 32993052), (651, 31928760), (744, 27937665), (756, 27494210), (837, 24833480), (840, 24744789), (868, 23946570), (930, 22350132), (945, 21995368), (961, 21629160), (1080, 19245947), (1085, 19157256), (1116, 18625110), (1240, 16762599), (1260, 16496526), (1302, 15964380), (1395, 14900088), (1512, 13747105), (1674, 12416740), (1736, 11973285), (1860, 11175066), (1890, 10997684), (1922, 10814580), (1953, 10642920), (2170, 9578628), (2232, 9312555), (2520, 8248263), (2604, 7982190), (2790, 7450044), (2861, 7265160), (2883, 7209720), (3255, 6385752), (3348, 6208370), (3720, 5587533), (3780, 5498842), (3844, 5407290), (3906, 5321460), (4185, 4966696), (4340, 4789314), (4805, 4325832), (5208, 3991095), (5580, 3725022), (5722, 3632580), (5766, 3604860), (5859, 3547640), (6510, 3192876), (6696, 3104185), (6727, 3089880), (7560, 2749421), (7688, 2703645), (7812, 2660730), (8370, 2483348), (8583, 2421720), (8649, 2403240), (8680, 2394657), (9610, 2162916), (9765, 2128584), (11160, 1862511), (11444, 1816290), (11532, 1802430), (11718, 1773820), (13020, 1596438), (13454, 1544940), (14305, 1453032), (14415, 1441944), (15624, 1330365), (16740, 1241674), (17166, 1210860), (17298, 1201620), (19220, 1081458), (19530, 1064292), (20027, 1037880), (20181, 1029960), (22888, 908145), (23064, 901215), (23436, 886910), (25749, 807240), (25947, 801080), (26040, 798219), (26908, 772470), (28610, 726516), (28830, 720972), (29295, 709528), (33480, 620837), (33635, 617976), (34332, 605430), (34596, 600810), (38440, 540729), (39060, 532146), (40054, 518940), (40362, 514980), (42915, 484344), (43245, 480648), (46872, 443455), (51498, 403620), (51894, 400540), (53816, 386235), (57220, 363258), (57660, 360486), (58590, 354764), (60081, 345960), (60543, 343320), (67270, 308988), (68664, 302715), (69192, 300405), (77247, 269080), (78120, 266073), (80108, 259470), (80724, 257490), (85830, 242172), (86490, 240324), (88691, 234360), (100135, 207576), (100905, 205992), (102996, 201810), (103788, 200270), (114440, 181629), (115320, 180243), (117180, 177382), (120162, 172980), (121086, 171660), (128745, 161448), (129735, 160216), (134540, 154494)]