20403077240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{769}}^1$

素因数の和:1034

約数の個数: 256

約数和(自身を含む): 58398278400

約数和(自身を除く): 37995201160

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 37, 40, 52, 56, 65, 70, 74, 91, 104, 130, 140, 148, 182, 185, 197, 259, 260, 280, 296, 364, 370, 394, 455, 481, 518, 520, 728, 740, 769, 788, 910, 962, 985, 1036, 1295, 1379, 1480, 1538, 1576, 1820, 1924, 1970, 2072, 2405, 2561, 2590, 2758, 3076, 3367, 3640, 3845, 3848, 3940, 4810, 5122, 5180, 5383, 5516, 6152, 6734, 6895, 7289, 7690, 7880, 9620, 9997, 10244, 10360, 10766, 11032, 12805, 13468, 13790, 14578, 15380, 16835, 17927, 19240, 19994, 20488, 21532, 25610, 26915, 26936, 27580, 28453, 29156, 30760, 33670, 35854, 36445, 39988, 43064, 49985, 51023, 51220, 53830, 55160, 56906, 58312, 67340, 69979, 71708, 72890, 79976, 89635, 94757, 99970, 102046, 102440, 107660, 113812, 134680, 139958, 142265, 143416, 145780, 151493, 179270, 189514, 199171, 199940, 204092, 215320, 227624, 255115, 279916, 284530, 291560, 302986, 349895, 358540, 369889, 379028, 398342, 399880, 408184, 473785, 510230, 559832, 569060, 605972, 663299, 699790, 717080, 739778, 757465, 758056, 796684, 947570, 995855, 1020460, 1060451, 1138120, 1211944, 1326598, 1399580, 1479556, 1514930, 1593368, 1849445, 1895140, 1969409, 1991710, 2040920, 2120902, 2589223, 2653196, 2799160, 2959112, 3029860, 3316495, 3698890, 3790280, 3938818, 3983420, 4241804, 5178446, 5302255, 5306392, 5605241, 6059720, 6632990, 7397780, 7877636, 7966840, 8483608, 9847045, 10356892, 10604510, 11210482, 12946115, 13265980, 13785863, 14795560, 15755272, 19694090, 20713784, 21209020, 22420964, 25892230, 26531960, 27571726, 28026205, 39236687, 39388180, 42418040, 44841928, 51784460, 55143452, 56052410, 68929315, 72868133, 78473374, 78776360, 103568920, 110286904, 112104820, 137858630, 145736266, 156946748, 196183435, 224209640, 275717260, 291472532, 313893496, 364340665, 392366870, 510076931, 551434520, 582945064, 728681330, 784733740, 1020153862, 1457362660, 1569467480, 2040307724, 2550384655, 2914725320, 4080615448, 5100769310, 10201538620, 20403077240]

約数ペア:

[(1, 20403077240), (2, 10201538620), (4, 5100769310), (5, 4080615448), (7, 2914725320), (8, 2550384655), (10, 2040307724), (13, 1569467480), (14, 1457362660), (20, 1020153862), (26, 784733740), (28, 728681330), (35, 582945064), (37, 551434520), (40, 510076931), (52, 392366870), (56, 364340665), (65, 313893496), (70, 291472532), (74, 275717260), (91, 224209640), (104, 196183435), (130, 156946748), (140, 145736266), (148, 137858630), (182, 112104820), (185, 110286904), (197, 103568920), (259, 78776360), (260, 78473374), (280, 72868133), (296, 68929315), (364, 56052410), (370, 55143452), (394, 51784460), (455, 44841928), (481, 42418040), (518, 39388180), (520, 39236687), (728, 28026205), (740, 27571726), (769, 26531960), (788, 25892230), (910, 22420964), (962, 21209020), (985, 20713784), (1036, 19694090), (1295, 15755272), (1379, 14795560), (1480, 13785863), (1538, 13265980), (1576, 12946115), (1820, 11210482), (1924, 10604510), (1970, 10356892), (2072, 9847045), (2405, 8483608), (2561, 7966840), (2590, 7877636), (2758, 7397780), (3076, 6632990), (3367, 6059720), (3640, 5605241), (3845, 5306392), (3848, 5302255), (3940, 5178446), (4810, 4241804), (5122, 3983420), (5180, 3938818), (5383, 3790280), (5516, 3698890), (6152, 3316495), (6734, 3029860), (6895, 2959112), (7289, 2799160), (7690, 2653196), (7880, 2589223), (9620, 2120902), (9997, 2040920), (10244, 1991710), (10360, 1969409), (10766, 1895140), (11032, 1849445), (12805, 1593368), (13468, 1514930), (13790, 1479556), (14578, 1399580), (15380, 1326598), (16835, 1211944), (17927, 1138120), (19240, 1060451), (19994, 1020460), (20488, 995855), (21532, 947570), (25610, 796684), (26915, 758056), (26936, 757465), (27580, 739778), (28453, 717080), (29156, 699790), (30760, 663299), (33670, 605972), (35854, 569060), (36445, 559832), (39988, 510230), (43064, 473785), (49985, 408184), (51023, 399880), (51220, 398342), (53830, 379028), (55160, 369889), (56906, 358540), (58312, 349895), (67340, 302986), (69979, 291560), (71708, 284530), (72890, 279916), (79976, 255115), (89635, 227624), (94757, 215320), (99970, 204092), (102046, 199940), (102440, 199171), (107660, 189514), (113812, 179270), (134680, 151493), (139958, 145780), (142265, 143416)]