20731218480

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{331}}^1$

素因数の和:434

約数の個数: 720

約数和(自身を含む): 86751185664

約数和(自身を除く): 66019967184

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 17, 18, 20, 21, 24, 28, 30, 34, 35, 36, 40, 42, 43, 45, 48, 51, 56, 60, 63, 68, 70, 72, 80, 84, 85, 86, 90, 102, 105, 112, 119, 120, 126, 129, 136, 140, 144, 153, 168, 170, 172, 180, 204, 210, 215, 238, 240, 252, 255, 258, 272, 280, 289, 301, 306, 315, 331, 336, 340, 344, 357, 360, 387, 408, 420, 430, 476, 504, 510, 516, 560, 578, 595, 602, 612, 630, 645, 662, 680, 688, 714, 720, 731, 765, 774, 816, 840, 860, 867, 903, 952, 993, 1008, 1020, 1032, 1071, 1156, 1190, 1204, 1224, 1260, 1290, 1324, 1360, 1428, 1445, 1462, 1505, 1530, 1548, 1655, 1680, 1720, 1734, 1785, 1806, 1904, 1935, 1986, 2023, 2040, 2064, 2142, 2193, 2312, 2317, 2380, 2408, 2448, 2520, 2580, 2601, 2648, 2709, 2856, 2890, 2924, 2979, 3010, 3060, 3096, 3310, 3440, 3468, 3570, 3612, 3655, 3870, 3972, 4046, 4080, 4284, 4335, 4386, 4515, 4624, 4634, 4760, 4816, 4965, 5040, 5117, 5160, 5202, 5296, 5355, 5418, 5627, 5712, 5780, 5848, 5958, 6020, 6069, 6120, 6192, 6579, 6620, 6936, 6951, 7140, 7224, 7310, 7740, 7944, 8092, 8568, 8670, 8772, 9030, 9268, 9520, 9930, 10115, 10234, 10320, 10404, 10710, 10836, 10965, 11254, 11560, 11585, 11696, 11916, 12040, 12138, 12240, 12427, 13005, 13158, 13240, 13545, 13872, 13902, 14233, 14280, 14448, 14620, 14895, 15351, 15480, 15888, 16184, 16881, 17136, 17340, 17544, 18060, 18207, 18536, 19860, 20230, 20468, 20808, 20853, 21420, 21672, 21930, 22508, 23120, 23170, 23832, 24080, 24276, 24854, 25585, 26010, 26316, 26480, 27090, 27804, 28135, 28466, 28560, 29240, 29790, 30345, 30702, 30960, 32368, 32895, 33762, 34680, 34755, 35088, 36120, 36414, 37072, 37281, 39389, 39720, 40460, 40936, 41616, 41706, 42699, 42840, 43344, 43860, 45016, 46053, 46340, 47664, 48552, 49708, 50643, 51170, 52020, 52632, 54180, 55608, 56270, 56932, 58480, 59580, 60690, 61404, 62135, 65790, 67524, 69360, 69510, 71165, 72240, 72828, 74562, 76755, 78778, 79440, 80920, 81872, 83412, 84405, 85398, 85680, 86989, 87720, 90032, 91035, 92106, 92680, 95659, 97104, 99416, 99631, 101286, 102340, 104040, 104265, 105264, 108360, 111216, 111843, 112540, 113864, 118167, 119160, 121380, 122808, 124270, 128097, 131580, 135048, 139020, 142330, 145656, 149124, 153510, 157556, 161840, 166824, 168810, 170796, 173978, 175440, 182070, 184212, 185360, 186405, 191318, 196945, 198832, 199262, 202572, 204680, 208080, 208530, 213495, 216720, 223686, 225080, 227728, 230265, 236334, 238320, 241961, 242760, 245616, 248540, 253215, 256194, 260967, 263160, 270096, 278040, 284660, 286977, 291312, 298248, 298893, 307020, 315112, 333648, 337620, 341592, 347956, 354501, 364140, 368424, 372810, 382636, 393890, 398524, 405144, 409360, 417060, 426990, 434945, 447372, 450160, 460530, 472668, 478295, 483922, 485520, 497080, 498155, 506430, 512388, 521934, 526320, 556080, 559215, 569320, 573954, 590835, 596496, 597786, 614040, 630224, 640485, 669613, 675240, 683184, 695912, 709002, 725883, 728280, 736848, 745620, 765272, 782901, 787780, 797048, 810288, 834120, 853980, 860931, 869890, 894744, 896679, 921060, 945336, 956590, 967844, 994160, 996310, 1012860, 1024776, 1043868, 1118430, 1138640, 1147908, 1181670, 1195572, 1209805, 1228080, 1280970, 1304835, 1339226, 1350480, 1391824, 1418004, 1434885, 1451766, 1456560, 1491240, 1494465, 1530544, 1565802, 1575560, 1594096, 1668240, 1693727, 1707960, 1721862, 1739780, 1772505, 1789488, 1793358, 1842120, 1890672, 1913180, 1935688, 1992620, 2008839, 2025720, 2049552, 2087736, 2177649, 2236860, 2295816, 2363340, 2391144, 2419610, 2561940, 2609670, 2678452, 2836008, 2869770, 2903532, 2982480, 2988930, 3131604, 3151120, 3348065, 3387454, 3415920, 3443724, 3479560, 3545010, 3586716, 3629415, 3684240, 3826360, 3871376, 3914505, 3985240, 4017678, 4051440, 4113337, 4175472, 4304655, 4355298, 4473720, 4483395, 4591632, 4726680, 4782288, 4839220, 5081181, 5123880, 5219340, 5356904, 5672016, 5739540, 5807064, 5977860, 6026517, 6263208, 6696130, 6774908, 6887448, 6959120, 7090020, 7173432, 7258830, 7652720, 7829010, 7970480, 8035356, 8226674, 8468635, 8609310, 8710596, 8947440, 8966790, 9453360, 9678440, 10044195, 10162362, 10247760, 10438680, 10713808, 10888245, 11479080, 11614128, 11955720, 12053034, 12340011, 12526416, 13392260, 13549816, 13774896, 14180040, 14346864, 14517660, 15243543, 15658020, 16070712, 16453348, 16937270, 17218620, 17421192, 17933580, 19356880, 20088390, 20324724, 20566685, 20877360, 21776490, 22958160, 23911440, 24106068, 24680022, 25405905, 26784520, 27099632, 28360080, 28793359, 29035320, 30132585, 30487086, 31316040, 32141424, 32906696, 33874540, 34437240, 34842384, 35867160, 37020033, 40176780, 40649448, 41133370, 43552980, 48212136, 49360044, 50811810, 53569040, 57586718, 58070640, 60265170, 60974172, 61700055, 62632080, 65813392, 67749080, 68874480, 71734320, 74040066, 76217715, 80353560, 81298896, 82266740, 86380077, 87105960, 96424272, 98720088, 101623620, 115173436, 120530340, 121948344, 123400110, 135498160, 143966795, 148080132, 152435430, 160707120, 164533480, 172760154, 174211920, 185100165, 197440176, 203247240, 230346872, 241060680, 243896688, 246800220, 259140231, 287933590, 296160264, 304870860, 329066960, 345520308, 370200330, 406494480, 431900385, 460693744, 482121360, 493600440, 518280462, 575867180, 592320528, 609741720, 691040616, 740400660, 863800770, 987200880, 1036560924, 1151734360, 1219483440, 1295701155, 1382081232, 1480801320, 1727601540, 2073121848, 2303468720, 2591402310, 2961602640, 3455203080, 4146243696, 5182804620, 6910406160, 10365609240, 20731218480]

約数ペア:

[(1, 20731218480), (2, 10365609240), (3, 6910406160), (4, 5182804620), (5, 4146243696), (6, 3455203080), (7, 2961602640), (8, 2591402310), (9, 2303468720), (10, 2073121848), (12, 1727601540), (14, 1480801320), (15, 1382081232), (16, 1295701155), (17, 1219483440), (18, 1151734360), (20, 1036560924), (21, 987200880), (24, 863800770), (28, 740400660), (30, 691040616), (34, 609741720), (35, 592320528), (36, 575867180), (40, 518280462), (42, 493600440), (43, 482121360), (45, 460693744), (48, 431900385), (51, 406494480), (56, 370200330), (60, 345520308), (63, 329066960), (68, 304870860), (70, 296160264), (72, 287933590), (80, 259140231), (84, 246800220), (85, 243896688), (86, 241060680), (90, 230346872), (102, 203247240), (105, 197440176), (112, 185100165), (119, 174211920), (120, 172760154), (126, 164533480), (129, 160707120), (136, 152435430), (140, 148080132), (144, 143966795), (153, 135498160), (168, 123400110), (170, 121948344), (172, 120530340), (180, 115173436), (204, 101623620), (210, 98720088), (215, 96424272), (238, 87105960), (240, 86380077), (252, 82266740), (255, 81298896), (258, 80353560), (272, 76217715), (280, 74040066), (289, 71734320), (301, 68874480), (306, 67749080), (315, 65813392), (331, 62632080), (336, 61700055), (340, 60974172), (344, 60265170), (357, 58070640), (360, 57586718), (387, 53569040), (408, 50811810), (420, 49360044), (430, 48212136), (476, 43552980), (504, 41133370), (510, 40649448), (516, 40176780), (560, 37020033), (578, 35867160), (595, 34842384), (602, 34437240), (612, 33874540), (630, 32906696), (645, 32141424), (662, 31316040), (680, 30487086), (688, 30132585), (714, 29035320), (720, 28793359), (731, 28360080), (765, 27099632), (774, 26784520), (816, 25405905), (840, 24680022), (860, 24106068), (867, 23911440), (903, 22958160), (952, 21776490), (993, 20877360), (1008, 20566685), (1020, 20324724), (1032, 20088390), (1071, 19356880), (1156, 17933580), (1190, 17421192), (1204, 17218620), (1224, 16937270), (1260, 16453348), (1290, 16070712), (1324, 15658020), (1360, 15243543), (1428, 14517660), (1445, 14346864), (1462, 14180040), (1505, 13774896), (1530, 13549816), (1548, 13392260), (1655, 12526416), (1680, 12340011), (1720, 12053034), (1734, 11955720), (1785, 11614128), (1806, 11479080), (1904, 10888245), (1935, 10713808), (1986, 10438680), (2023, 10247760), (2040, 10162362), (2064, 10044195), (2142, 9678440), (2193, 9453360), (2312, 8966790), (2317, 8947440), (2380, 8710596), (2408, 8609310), (2448, 8468635), (2520, 8226674), (2580, 8035356), (2601, 7970480), (2648, 7829010), (2709, 7652720), (2856, 7258830), (2890, 7173432), (2924, 7090020), (2979, 6959120), (3010, 6887448), (3060, 6774908), (3096, 6696130), (3310, 6263208), (3440, 6026517), (3468, 5977860), (3570, 5807064), (3612, 5739540), (3655, 5672016), (3870, 5356904), (3972, 5219340), (4046, 5123880), (4080, 5081181), (4284, 4839220), (4335, 4782288), (4386, 4726680), (4515, 4591632), (4624, 4483395), (4634, 4473720), (4760, 4355298), (4816, 4304655), (4965, 4175472), (5040, 4113337), (5117, 4051440), (5160, 4017678), (5202, 3985240), (5296, 3914505), (5355, 3871376), (5418, 3826360), (5627, 3684240), (5712, 3629415), (5780, 3586716), (5848, 3545010), (5958, 3479560), (6020, 3443724), (6069, 3415920), (6120, 3387454), (6192, 3348065), (6579, 3151120), (6620, 3131604), (6936, 2988930), (6951, 2982480), (7140, 2903532), (7224, 2869770), (7310, 2836008), (7740, 2678452), (7944, 2609670), (8092, 2561940), (8568, 2419610), (8670, 2391144), (8772, 2363340), (9030, 2295816), (9268, 2236860), (9520, 2177649), (9930, 2087736), (10115, 2049552), (10234, 2025720), (10320, 2008839), (10404, 1992620), (10710, 1935688), (10836, 1913180), (10965, 1890672), (11254, 1842120), (11560, 1793358), (11585, 1789488), (11696, 1772505), (11916, 1739780), (12040, 1721862), (12138, 1707960), (12240, 1693727), (12427, 1668240), (13005, 1594096), (13158, 1575560), (13240, 1565802), (13545, 1530544), (13872, 1494465), (13902, 1491240), (14233, 1456560), (14280, 1451766), (14448, 1434885), (14620, 1418004), (14895, 1391824), (15351, 1350480), (15480, 1339226), (15888, 1304835), (16184, 1280970), (16881, 1228080), (17136, 1209805), (17340, 1195572), (17544, 1181670), (18060, 1147908), (18207, 1138640), (18536, 1118430), (19860, 1043868), (20230, 1024776), (20468, 1012860), (20808, 996310), (20853, 994160), (21420, 967844), (21672, 956590), (21930, 945336), (22508, 921060), (23120, 896679), (23170, 894744), (23832, 869890), (24080, 860931), (24276, 853980), (24854, 834120), (25585, 810288), (26010, 797048), (26316, 787780), (26480, 782901), (27090, 765272), (27804, 745620), (28135, 736848), (28466, 728280), (28560, 725883), (29240, 709002), (29790, 695912), (30345, 683184), (30702, 675240), (30960, 669613), (32368, 640485), (32895, 630224), (33762, 614040), (34680, 597786), (34755, 596496), (35088, 590835), (36120, 573954), (36414, 569320), (37072, 559215), (37281, 556080), (39389, 526320), (39720, 521934), (40460, 512388), (40936, 506430), (41616, 498155), (41706, 497080), (42699, 485520), (42840, 483922), (43344, 478295), (43860, 472668), (45016, 460530), (46053, 450160), (46340, 447372), (47664, 434945), (48552, 426990), (49708, 417060), (50643, 409360), (51170, 405144), (52020, 398524), (52632, 393890), (54180, 382636), (55608, 372810), (56270, 368424), (56932, 364140), (58480, 354501), (59580, 347956), (60690, 341592), (61404, 337620), (62135, 333648), (65790, 315112), (67524, 307020), (69360, 298893), (69510, 298248), (71165, 291312), (72240, 286977), (72828, 284660), (74562, 278040), (76755, 270096), (78778, 263160), (79440, 260967), (80920, 256194), (81872, 253215), (83412, 248540), (84405, 245616), (85398, 242760), (85680, 241961), (86989, 238320), (87720, 236334), (90032, 230265), (91035, 227728), (92106, 225080), (92680, 223686), (95659, 216720), (97104, 213495), (99416, 208530), (99631, 208080), (101286, 204680), (102340, 202572), (104040, 199262), (104265, 198832), (105264, 196945), (108360, 191318), (111216, 186405), (111843, 185360), (112540, 184212), (113864, 182070), (118167, 175440), (119160, 173978), (121380, 170796), (122808, 168810), (124270, 166824), (128097, 161840), (131580, 157556), (135048, 153510), (139020, 149124), (142330, 145656)]