20267643760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{2897}}^1$

素因数の和:2992

約数の個数: 240

約数和(自身を含む): 59948538048

約数和(自身を除く): 39680894288

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 31, 35, 40, 52, 56, 62, 65, 70, 80, 91, 104, 112, 124, 130, 140, 155, 182, 208, 217, 248, 260, 280, 310, 364, 403, 434, 455, 496, 520, 560, 620, 728, 806, 868, 910, 961, 1040, 1085, 1240, 1456, 1612, 1736, 1820, 1922, 2015, 2170, 2480, 2821, 2897, 3224, 3472, 3640, 3844, 4030, 4340, 4805, 5642, 5794, 6448, 6727, 7280, 7688, 8060, 8680, 9610, 11284, 11588, 12493, 13454, 14105, 14485, 15376, 16120, 17360, 19220, 20279, 22568, 23176, 24986, 26908, 28210, 28970, 32240, 33635, 37661, 38440, 40558, 45136, 46352, 49972, 53816, 56420, 57940, 62465, 67270, 75322, 76880, 81116, 87451, 89807, 99944, 101395, 107632, 112840, 115880, 124930, 134540, 150644, 162232, 174902, 179614, 188305, 199888, 202790, 225680, 231760, 249860, 263627, 269080, 301288, 324464, 349804, 359228, 376610, 405580, 437255, 449035, 499720, 527254, 538160, 602576, 628649, 699608, 718456, 753220, 811160, 874510, 898070, 999440, 1054508, 1167491, 1257298, 1318135, 1399216, 1436912, 1506440, 1622320, 1749020, 1796140, 2109016, 2334982, 2514596, 2636270, 2784017, 3012880, 3143245, 3498040, 3592280, 4218032, 4669964, 5029192, 5272540, 5568034, 5837455, 6286490, 6996080, 7184560, 8172437, 9339928, 10058384, 10545080, 11136068, 11674910, 12572980, 13920085, 16344874, 18679856, 19488119, 21090160, 22272136, 23349820, 25145960, 27840170, 32689748, 36192221, 38976238, 40862185, 44544272, 46699640, 50291920, 55680340, 65379496, 72384442, 77952476, 81724370, 93399280, 97440595, 111360680, 130758992, 144768884, 155904952, 163448740, 180961105, 194881190, 222721360, 253345547, 289537768, 311809904, 326897480, 361922210, 389762380, 506691094, 579075536, 653794960, 723844420, 779524760, 1013382188, 1266727735, 1447688840, 1559049520, 2026764376, 2533455470, 2895377680, 4053528752, 5066910940, 10133821880, 20267643760]

約数ペア:

[(1, 20267643760), (2, 10133821880), (4, 5066910940), (5, 4053528752), (7, 2895377680), (8, 2533455470), (10, 2026764376), (13, 1559049520), (14, 1447688840), (16, 1266727735), (20, 1013382188), (26, 779524760), (28, 723844420), (31, 653794960), (35, 579075536), (40, 506691094), (52, 389762380), (56, 361922210), (62, 326897480), (65, 311809904), (70, 289537768), (80, 253345547), (91, 222721360), (104, 194881190), (112, 180961105), (124, 163448740), (130, 155904952), (140, 144768884), (155, 130758992), (182, 111360680), (208, 97440595), (217, 93399280), (248, 81724370), (260, 77952476), (280, 72384442), (310, 65379496), (364, 55680340), (403, 50291920), (434, 46699640), (455, 44544272), (496, 40862185), (520, 38976238), (560, 36192221), (620, 32689748), (728, 27840170), (806, 25145960), (868, 23349820), (910, 22272136), (961, 21090160), (1040, 19488119), (1085, 18679856), (1240, 16344874), (1456, 13920085), (1612, 12572980), (1736, 11674910), (1820, 11136068), (1922, 10545080), (2015, 10058384), (2170, 9339928), (2480, 8172437), (2821, 7184560), (2897, 6996080), (3224, 6286490), (3472, 5837455), (3640, 5568034), (3844, 5272540), (4030, 5029192), (4340, 4669964), (4805, 4218032), (5642, 3592280), (5794, 3498040), (6448, 3143245), (6727, 3012880), (7280, 2784017), (7688, 2636270), (8060, 2514596), (8680, 2334982), (9610, 2109016), (11284, 1796140), (11588, 1749020), (12493, 1622320), (13454, 1506440), (14105, 1436912), (14485, 1399216), (15376, 1318135), (16120, 1257298), (17360, 1167491), (19220, 1054508), (20279, 999440), (22568, 898070), (23176, 874510), (24986, 811160), (26908, 753220), (28210, 718456), (28970, 699608), (32240, 628649), (33635, 602576), (37661, 538160), (38440, 527254), (40558, 499720), (45136, 449035), (46352, 437255), (49972, 405580), (53816, 376610), (56420, 359228), (57940, 349804), (62465, 324464), (67270, 301288), (75322, 269080), (76880, 263627), (81116, 249860), (87451, 231760), (89807, 225680), (99944, 202790), (101395, 199888), (107632, 188305), (112840, 179614), (115880, 174902), (124930, 162232), (134540, 150644)]