20512338720

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1361}}^1\times {\mathrm{1847}}^1$

素因数の和:3243

約数の個数: 192

約数和(自身を含む): 68502018816

約数和(自身を除く): 47989680096

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 68, 80, 85, 96, 102, 120, 136, 160, 170, 204, 240, 255, 272, 340, 408, 480, 510, 544, 680, 816, 1020, 1360, 1361, 1632, 1847, 2040, 2720, 2722, 3694, 4080, 4083, 5444, 5541, 6805, 7388, 8160, 8166, 9235, 10888, 11082, 13610, 14776, 16332, 18470, 20415, 21776, 22164, 23137, 27220, 27705, 29552, 31399, 32664, 36940, 40830, 43552, 44328, 46274, 54440, 55410, 59104, 62798, 65328, 69411, 73880, 81660, 88656, 92548, 94197, 108880, 110820, 115685, 125596, 130656, 138822, 147760, 156995, 163320, 177312, 185096, 188394, 217760, 221640, 231370, 251192, 277644, 295520, 313990, 326640, 347055, 370192, 376788, 443280, 462740, 470985, 502384, 555288, 627980, 653280, 694110, 740384, 753576, 886560, 925480, 941970, 1004768, 1110576, 1255960, 1388220, 1507152, 1850960, 1883940, 2221152, 2511920, 2513767, 2776440, 3014304, 3701920, 3767880, 5023840, 5027534, 5552880, 7535760, 7541301, 10055068, 11105760, 12568835, 15071520, 15082602, 20110136, 25137670, 30165204, 37706505, 40220272, 42734039, 50275340, 60330408, 75413010, 80440544, 85468078, 100550680, 120660816, 128202117, 150826020, 170936156, 201101360, 213670195, 241321632, 256404234, 301652040, 341872312, 402202720, 427340390, 512808468, 603304080, 641010585, 683744624, 854680780, 1025616936, 1206608160, 1282021170, 1367489248, 1709361560, 2051233872, 2564042340, 3418723120, 4102467744, 5128084680, 6837446240, 10256169360, 20512338720]

約数ペア:

[(1, 20512338720), (2, 10256169360), (3, 6837446240), (4, 5128084680), (5, 4102467744), (6, 3418723120), (8, 2564042340), (10, 2051233872), (12, 1709361560), (15, 1367489248), (16, 1282021170), (17, 1206608160), (20, 1025616936), (24, 854680780), (30, 683744624), (32, 641010585), (34, 603304080), (40, 512808468), (48, 427340390), (51, 402202720), (60, 341872312), (68, 301652040), (80, 256404234), (85, 241321632), (96, 213670195), (102, 201101360), (120, 170936156), (136, 150826020), (160, 128202117), (170, 120660816), (204, 100550680), (240, 85468078), (255, 80440544), (272, 75413010), (340, 60330408), (408, 50275340), (480, 42734039), (510, 40220272), (544, 37706505), (680, 30165204), (816, 25137670), (1020, 20110136), (1360, 15082602), (1361, 15071520), (1632, 12568835), (1847, 11105760), (2040, 10055068), (2720, 7541301), (2722, 7535760), (3694, 5552880), (4080, 5027534), (4083, 5023840), (5444, 3767880), (5541, 3701920), (6805, 3014304), (7388, 2776440), (8160, 2513767), (8166, 2511920), (9235, 2221152), (10888, 1883940), (11082, 1850960), (13610, 1507152), (14776, 1388220), (16332, 1255960), (18470, 1110576), (20415, 1004768), (21776, 941970), (22164, 925480), (23137, 886560), (27220, 753576), (27705, 740384), (29552, 694110), (31399, 653280), (32664, 627980), (36940, 555288), (40830, 502384), (43552, 470985), (44328, 462740), (46274, 443280), (54440, 376788), (55410, 370192), (59104, 347055), (62798, 326640), (65328, 313990), (69411, 295520), (73880, 277644), (81660, 251192), (88656, 231370), (92548, 221640), (94197, 217760), (108880, 188394), (110820, 185096), (115685, 177312), (125596, 163320), (130656, 156995), (138822, 147760)]