20897346960

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{601}}^1\times {\mathrm{6899}}^1$

素因数の和:7526

約数の個数: 240

約数和(自身を含む): 80351107200

約数和(自身を除く): 59453760240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 601, 630, 720, 840, 1008, 1202, 1260, 1680, 1803, 2404, 2520, 3005, 3606, 4207, 4808, 5040, 5409, 6010, 6899, 7212, 8414, 9015, 9616, 10818, 12020, 12621, 13798, 14424, 16828, 18030, 20697, 21035, 21636, 24040, 25242, 27045, 27596, 28848, 33656, 34495, 36060, 37863, 41394, 42070, 43272, 48080, 48293, 50484, 54090, 55192, 62091, 63105, 67312, 68990, 72120, 75726, 82788, 84140, 86544, 96586, 100968, 103485, 108180, 110384, 124182, 126210, 137980, 144240, 144879, 151452, 165576, 168280, 189315, 193172, 201936, 206970, 216360, 241465, 248364, 252420, 275960, 289758, 302904, 310455, 331152, 336560, 378630, 386344, 413940, 432720, 434637, 482930, 496728, 504840, 551920, 579516, 605808, 620910, 724395, 757260, 772688, 827880, 869274, 965860, 993456, 1009680, 1159032, 1241820, 1448790, 1514520, 1655760, 1738548, 1931720, 2173185, 2318064, 2483640, 2897580, 3029040, 3477096, 3863440, 4146299, 4346370, 4967280, 5795160, 6954192, 8292598, 8692740, 11590320, 12438897, 16585196, 17385480, 20731495, 24877794, 29024093, 33170392, 34770960, 37316691, 41462990, 49755588, 58048186, 62194485, 66340784, 74633382, 82925980, 87072279, 99511176, 116096372, 124388970, 145120465, 149266764, 165851960, 174144558, 186583455, 199022352, 232192744, 248777940, 261216837, 290240930, 298533528, 331703920, 348289116, 373166910, 435361395, 464385488, 497555880, 522433674, 580481860, 597067056, 696578232, 746333820, 870722790, 995111760, 1044867348, 1160963720, 1306084185, 1393156464, 1492667640, 1741445580, 2089734696, 2321927440, 2612168370, 2985335280, 3482891160, 4179469392, 5224336740, 6965782320, 10448673480, 20897346960]

約数ペア:

[(1, 20897346960), (2, 10448673480), (3, 6965782320), (4, 5224336740), (5, 4179469392), (6, 3482891160), (7, 2985335280), (8, 2612168370), (9, 2321927440), (10, 2089734696), (12, 1741445580), (14, 1492667640), (15, 1393156464), (16, 1306084185), (18, 1160963720), (20, 1044867348), (21, 995111760), (24, 870722790), (28, 746333820), (30, 696578232), (35, 597067056), (36, 580481860), (40, 522433674), (42, 497555880), (45, 464385488), (48, 435361395), (56, 373166910), (60, 348289116), (63, 331703920), (70, 298533528), (72, 290240930), (80, 261216837), (84, 248777940), (90, 232192744), (105, 199022352), (112, 186583455), (120, 174144558), (126, 165851960), (140, 149266764), (144, 145120465), (168, 124388970), (180, 116096372), (210, 99511176), (240, 87072279), (252, 82925980), (280, 74633382), (315, 66340784), (336, 62194485), (360, 58048186), (420, 49755588), (504, 41462990), (560, 37316691), (601, 34770960), (630, 33170392), (720, 29024093), (840, 24877794), (1008, 20731495), (1202, 17385480), (1260, 16585196), (1680, 12438897), (1803, 11590320), (2404, 8692740), (2520, 8292598), (3005, 6954192), (3606, 5795160), (4207, 4967280), (4808, 4346370), (5040, 4146299), (5409, 3863440), (6010, 3477096), (6899, 3029040), (7212, 2897580), (8414, 2483640), (9015, 2318064), (9616, 2173185), (10818, 1931720), (12020, 1738548), (12621, 1655760), (13798, 1514520), (14424, 1448790), (16828, 1241820), (18030, 1159032), (20697, 1009680), (21035, 993456), (21636, 965860), (24040, 869274), (25242, 827880), (27045, 772688), (27596, 757260), (28848, 724395), (33656, 620910), (34495, 605808), (36060, 579516), (37863, 551920), (41394, 504840), (42070, 496728), (43272, 482930), (48080, 434637), (48293, 432720), (50484, 413940), (54090, 386344), (55192, 378630), (62091, 336560), (63105, 331152), (67312, 310455), (68990, 302904), (72120, 289758), (75726, 275960), (82788, 252420), (84140, 248364), (86544, 241465), (96586, 216360), (100968, 206970), (103485, 201936), (108180, 193172), (110384, 189315), (124182, 168280), (126210, 165576), (137980, 151452), (144240, 144879)]