20666547420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{181}}^1$

素因数の和:421

約数の個数: 384

約数和(自身を含む): 66783854592

約数和(自身を除く): 46117307172

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 23, 30, 31, 34, 46, 51, 60, 62, 68, 69, 85, 92, 93, 102, 115, 124, 138, 155, 157, 170, 181, 186, 204, 230, 255, 276, 310, 314, 340, 345, 362, 372, 391, 460, 465, 471, 510, 527, 543, 620, 628, 690, 713, 724, 782, 785, 905, 930, 942, 1020, 1054, 1086, 1173, 1380, 1426, 1564, 1570, 1581, 1810, 1860, 1884, 1955, 2108, 2139, 2172, 2346, 2355, 2635, 2669, 2715, 2852, 3077, 3140, 3162, 3565, 3611, 3620, 3910, 4163, 4278, 4692, 4710, 4867, 5270, 5338, 5430, 5611, 5865, 6154, 6324, 7130, 7222, 7820, 7905, 8007, 8326, 8556, 9231, 9420, 9734, 10540, 10676, 10695, 10833, 10860, 11222, 11730, 12121, 12308, 12489, 13345, 14260, 14444, 14601, 15385, 15810, 16014, 16652, 16833, 18055, 18462, 19468, 20815, 21390, 21666, 22444, 23460, 24242, 24335, 24978, 26690, 28055, 28417, 29202, 30770, 31620, 32028, 33666, 36110, 36363, 36924, 40035, 41630, 42780, 43332, 46155, 48484, 48670, 49956, 53380, 54165, 56110, 56834, 58404, 60605, 61387, 61540, 62445, 67332, 70771, 72220, 72726, 73005, 80070, 82739, 83260, 84165, 85251, 92310, 95387, 97340, 108330, 111941, 112220, 113668, 121210, 122774, 124890, 129053, 141542, 142085, 145452, 146010, 160140, 165478, 168330, 170502, 181815, 184161, 184620, 190774, 212313, 216660, 223882, 242420, 245548, 248217, 249780, 258106, 283084, 284170, 286161, 292020, 306935, 330956, 335823, 336660, 341004, 353855, 363630, 368322, 381548, 387159, 413695, 424626, 426255, 447764, 476935, 483089, 496434, 516212, 559705, 568340, 572322, 613870, 645265, 653591, 671646, 707710, 727260, 736644, 774318, 827390, 849252, 852510, 880927, 920805, 953870, 966178, 992868, 1061565, 1119410, 1144644, 1227740, 1241085, 1290530, 1307182, 1343292, 1415420, 1430805, 1449267, 1548636, 1654780, 1679115, 1705020, 1761854, 1841610, 1902997, 1907740, 1932356, 1935795, 1960773, 2123130, 2193901, 2238820, 2415445, 2482170, 2581060, 2614364, 2642781, 2861610, 2898534, 3267955, 3358230, 3523708, 3683220, 3805994, 3871590, 3921546, 4246260, 4387802, 4404635, 4830890, 4964340, 5285562, 5708991, 5723220, 5797068, 6535910, 6581703, 6716460, 7246335, 7611988, 7743180, 7843092, 8775604, 8809270, 9514985, 9661780, 9803865, 10571124, 10969505, 11111047, 11417982, 13071820, 13163406, 13213905, 14492670, 14975759, 17618540, 19029970, 19607730, 20261321, 21939010, 22222094, 22835964, 26326812, 26427810, 28544955, 28985340, 29951518, 32908515, 33333141, 38059940, 39215460, 40522642, 43878020, 44444188, 44927277, 52855620, 55555235, 57089910, 59903036, 60783963, 65817030, 66666282, 74878795, 81045284, 89854554, 101306605, 111110470, 114179820, 121567926, 131634060, 133332564, 149757590, 166665705, 179709108, 202613210, 222220940, 224636385, 243135852, 299515180, 303919815, 333331410, 344442457, 405226420, 449272770, 607839630, 666662820, 688884914, 898545540, 1033327371, 1215679260, 1377769828, 1722212285, 2066654742, 3444424570, 4133309484, 5166636855, 6888849140, 10333273710, 20666547420]

約数ペア:

[(1, 20666547420), (2, 10333273710), (3, 6888849140), (4, 5166636855), (5, 4133309484), (6, 3444424570), (10, 2066654742), (12, 1722212285), (15, 1377769828), (17, 1215679260), (20, 1033327371), (23, 898545540), (30, 688884914), (31, 666662820), (34, 607839630), (46, 449272770), (51, 405226420), (60, 344442457), (62, 333331410), (68, 303919815), (69, 299515180), (85, 243135852), (92, 224636385), (93, 222220940), (102, 202613210), (115, 179709108), (124, 166665705), (138, 149757590), (155, 133332564), (157, 131634060), (170, 121567926), (181, 114179820), (186, 111110470), (204, 101306605), (230, 89854554), (255, 81045284), (276, 74878795), (310, 66666282), (314, 65817030), (340, 60783963), (345, 59903036), (362, 57089910), (372, 55555235), (391, 52855620), (460, 44927277), (465, 44444188), (471, 43878020), (510, 40522642), (527, 39215460), (543, 38059940), (620, 33333141), (628, 32908515), (690, 29951518), (713, 28985340), (724, 28544955), (782, 26427810), (785, 26326812), (905, 22835964), (930, 22222094), (942, 21939010), (1020, 20261321), (1054, 19607730), (1086, 19029970), (1173, 17618540), (1380, 14975759), (1426, 14492670), (1564, 13213905), (1570, 13163406), (1581, 13071820), (1810, 11417982), (1860, 11111047), (1884, 10969505), (1955, 10571124), (2108, 9803865), (2139, 9661780), (2172, 9514985), (2346, 8809270), (2355, 8775604), (2635, 7843092), (2669, 7743180), (2715, 7611988), (2852, 7246335), (3077, 6716460), (3140, 6581703), (3162, 6535910), (3565, 5797068), (3611, 5723220), (3620, 5708991), (3910, 5285562), (4163, 4964340), (4278, 4830890), (4692, 4404635), (4710, 4387802), (4867, 4246260), (5270, 3921546), (5338, 3871590), (5430, 3805994), (5611, 3683220), (5865, 3523708), (6154, 3358230), (6324, 3267955), (7130, 2898534), (7222, 2861610), (7820, 2642781), (7905, 2614364), (8007, 2581060), (8326, 2482170), (8556, 2415445), (9231, 2238820), (9420, 2193901), (9734, 2123130), (10540, 1960773), (10676, 1935795), (10695, 1932356), (10833, 1907740), (10860, 1902997), (11222, 1841610), (11730, 1761854), (12121, 1705020), (12308, 1679115), (12489, 1654780), (13345, 1548636), (14260, 1449267), (14444, 1430805), (14601, 1415420), (15385, 1343292), (15810, 1307182), (16014, 1290530), (16652, 1241085), (16833, 1227740), (18055, 1144644), (18462, 1119410), (19468, 1061565), (20815, 992868), (21390, 966178), (21666, 953870), (22444, 920805), (23460, 880927), (24242, 852510), (24335, 849252), (24978, 827390), (26690, 774318), (28055, 736644), (28417, 727260), (29202, 707710), (30770, 671646), (31620, 653591), (32028, 645265), (33666, 613870), (36110, 572322), (36363, 568340), (36924, 559705), (40035, 516212), (41630, 496434), (42780, 483089), (43332, 476935), (46155, 447764), (48484, 426255), (48670, 424626), (49956, 413695), (53380, 387159), (54165, 381548), (56110, 368322), (56834, 363630), (58404, 353855), (60605, 341004), (61387, 336660), (61540, 335823), (62445, 330956), (67332, 306935), (70771, 292020), (72220, 286161), (72726, 284170), (73005, 283084), (80070, 258106), (82739, 249780), (83260, 248217), (84165, 245548), (85251, 242420), (92310, 223882), (95387, 216660), (97340, 212313), (108330, 190774), (111941, 184620), (112220, 184161), (113668, 181815), (121210, 170502), (122774, 168330), (124890, 165478), (129053, 160140), (141542, 146010), (142085, 145452)]