20778295424

素因数分解:

$2^7\times {\mathrm{17}}^3\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:168

約数の個数: 256

約数和(自身を含む): 48558528000

約数和(自身を除く): 27780232576

約数列:

[1, 2, 4, 8, 16, 17, 19, 32, 34, 37, 38, 47, 64, 68, 74, 76, 94, 128, 136, 148, 152, 188, 272, 289, 296, 304, 323, 376, 544, 578, 592, 608, 629, 646, 703, 752, 799, 893, 1088, 1156, 1184, 1216, 1258, 1292, 1406, 1504, 1598, 1739, 1786, 2176, 2312, 2368, 2432, 2516, 2584, 2812, 3008, 3196, 3478, 3572, 4624, 4736, 4913, 5032, 5168, 5491, 5624, 6016, 6392, 6956, 7144, 9248, 9826, 10064, 10336, 10693, 10982, 11248, 11951, 12784, 13583, 13912, 14288, 15181, 18496, 19652, 20128, 20672, 21386, 21964, 22496, 23902, 25568, 27166, 27824, 28576, 29563, 30362, 33041, 36992, 39304, 40256, 41344, 42772, 43928, 44992, 47804, 51136, 54332, 55648, 57152, 59126, 60724, 66082, 78608, 80512, 85544, 87856, 89984, 93347, 95608, 102272, 108664, 111296, 114304, 118252, 121448, 132164, 157216, 171088, 175712, 181781, 186694, 191216, 203167, 217328, 222592, 230911, 236504, 242896, 258077, 264328, 314432, 342176, 351424, 363562, 373388, 382432, 406334, 434656, 461822, 473008, 485792, 502571, 516154, 528656, 561697, 628864, 684352, 702848, 727124, 746776, 764864, 812668, 869312, 923644, 946016, 971584, 1005142, 1032308, 1057312, 1123394, 1368704, 1454248, 1493552, 1529728, 1625336, 1738624, 1847288, 1892032, 1943168, 2010284, 2064616, 2114624, 2246788, 2908496, 2987104, 3250672, 3453839, 3694576, 3784064, 4020568, 4129232, 4229248, 4387309, 4493576, 5816992, 5974208, 6501344, 6907678, 7389152, 8041136, 8258464, 8543707, 8774618, 8987152, 9548849, 11633984, 11948416, 13002688, 13815356, 14778304, 16082272, 16516928, 17087414, 17549236, 17974304, 19097698, 23267968, 26005376, 27630712, 29556608, 32164544, 33033856, 34174828, 35098472, 35948608, 38195396, 55261424, 64329088, 68349656, 70196944, 71897216, 76390792, 110522848, 136699312, 140393888, 152781584, 162330433, 221045696, 273398624, 280787776, 305563168, 324660866, 442091392, 546797248, 561575552, 611126336, 649321732, 1093594496, 1222252672, 1298643464, 2597286928, 5194573856, 10389147712, 20778295424]

約数ペア:

[(1, 20778295424), (2, 10389147712), (4, 5194573856), (8, 2597286928), (16, 1298643464), (17, 1222252672), (19, 1093594496), (32, 649321732), (34, 611126336), (37, 561575552), (38, 546797248), (47, 442091392), (64, 324660866), (68, 305563168), (74, 280787776), (76, 273398624), (94, 221045696), (128, 162330433), (136, 152781584), (148, 140393888), (152, 136699312), (188, 110522848), (272, 76390792), (289, 71897216), (296, 70196944), (304, 68349656), (323, 64329088), (376, 55261424), (544, 38195396), (578, 35948608), (592, 35098472), (608, 34174828), (629, 33033856), (646, 32164544), (703, 29556608), (752, 27630712), (799, 26005376), (893, 23267968), (1088, 19097698), (1156, 17974304), (1184, 17549236), (1216, 17087414), (1258, 16516928), (1292, 16082272), (1406, 14778304), (1504, 13815356), (1598, 13002688), (1739, 11948416), (1786, 11633984), (2176, 9548849), (2312, 8987152), (2368, 8774618), (2432, 8543707), (2516, 8258464), (2584, 8041136), (2812, 7389152), (3008, 6907678), (3196, 6501344), (3478, 5974208), (3572, 5816992), (4624, 4493576), (4736, 4387309), (4913, 4229248), (5032, 4129232), (5168, 4020568), (5491, 3784064), (5624, 3694576), (6016, 3453839), (6392, 3250672), (6956, 2987104), (7144, 2908496), (9248, 2246788), (9826, 2114624), (10064, 2064616), (10336, 2010284), (10693, 1943168), (10982, 1892032), (11248, 1847288), (11951, 1738624), (12784, 1625336), (13583, 1529728), (13912, 1493552), (14288, 1454248), (15181, 1368704), (18496, 1123394), (19652, 1057312), (20128, 1032308), (20672, 1005142), (21386, 971584), (21964, 946016), (22496, 923644), (23902, 869312), (25568, 812668), (27166, 764864), (27824, 746776), (28576, 727124), (29563, 702848), (30362, 684352), (33041, 628864), (36992, 561697), (39304, 528656), (40256, 516154), (41344, 502571), (42772, 485792), (43928, 473008), (44992, 461822), (47804, 434656), (51136, 406334), (54332, 382432), (55648, 373388), (57152, 363562), (59126, 351424), (60724, 342176), (66082, 314432), (78608, 264328), (80512, 258077), (85544, 242896), (87856, 236504), (89984, 230911), (93347, 222592), (95608, 217328), (102272, 203167), (108664, 191216), (111296, 186694), (114304, 181781), (118252, 175712), (121448, 171088), (132164, 157216)]