20989725696

素因数分解:

$2^{10}\times 3^5\times {\mathrm{67}}^1\times {\mathrm{1259}}^1$

素因数の和:1361

約数の個数: 264

約数和(自身を含む): 63840853440

約数和(自身を除く): 42851127744

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 67, 72, 81, 96, 108, 128, 134, 144, 162, 192, 201, 216, 243, 256, 268, 288, 324, 384, 402, 432, 486, 512, 536, 576, 603, 648, 768, 804, 864, 972, 1024, 1072, 1152, 1206, 1259, 1296, 1536, 1608, 1728, 1809, 1944, 2144, 2304, 2412, 2518, 2592, 3072, 3216, 3456, 3618, 3777, 3888, 4288, 4608, 4824, 5036, 5184, 5427, 6432, 6912, 7236, 7554, 7776, 8576, 9216, 9648, 10072, 10368, 10854, 11331, 12864, 13824, 14472, 15108, 15552, 16281, 17152, 19296, 20144, 20736, 21708, 22662, 25728, 27648, 28944, 30216, 31104, 32562, 33993, 34304, 38592, 40288, 41472, 43416, 45324, 51456, 57888, 60432, 62208, 65124, 67986, 68608, 77184, 80576, 82944, 84353, 86832, 90648, 101979, 102912, 115776, 120864, 124416, 130248, 135972, 154368, 161152, 168706, 173664, 181296, 203958, 205824, 231552, 241728, 248832, 253059, 260496, 271944, 305937, 308736, 322304, 337412, 347328, 362592, 407916, 463104, 483456, 506118, 520992, 543888, 611874, 617472, 644608, 674824, 694656, 725184, 759177, 815832, 926208, 966912, 1012236, 1041984, 1087776, 1223748, 1289216, 1349648, 1389312, 1450368, 1518354, 1631664, 1852416, 1933824, 2024472, 2083968, 2175552, 2277531, 2447496, 2699296, 2778624, 2900736, 3036708, 3263328, 3867648, 4048944, 4167936, 4351104, 4555062, 4894992, 5398592, 5557248, 5801472, 6073416, 6526656, 6832593, 8097888, 8335872, 8702208, 9110124, 9789984, 10797184, 11602944, 12146832, 13053312, 13665186, 16195776, 16671744, 17404416, 18220248, 19579968, 20497779, 21594368, 24293664, 26106624, 27330372, 32391552, 34808832, 36440496, 39159936, 40995558, 43188736, 48587328, 52213248, 54660744, 64783104, 72880992, 78319872, 81991116, 86377472, 97174656, 104426496, 109321488, 129566208, 145761984, 156639744, 163982232, 194349312, 218642976, 259132416, 291523968, 313279488, 327964464, 388698624, 437285952, 583047936, 655928928, 777397248, 874571904, 1166095872, 1311857856, 1749143808, 2332191744, 2623715712, 3498287616, 5247431424, 6996575232, 10494862848, 20989725696]

約数ペア:

[(1, 20989725696), (2, 10494862848), (3, 6996575232), (4, 5247431424), (6, 3498287616), (8, 2623715712), (9, 2332191744), (12, 1749143808), (16, 1311857856), (18, 1166095872), (24, 874571904), (27, 777397248), (32, 655928928), (36, 583047936), (48, 437285952), (54, 388698624), (64, 327964464), (67, 313279488), (72, 291523968), (81, 259132416), (96, 218642976), (108, 194349312), (128, 163982232), (134, 156639744), (144, 145761984), (162, 129566208), (192, 109321488), (201, 104426496), (216, 97174656), (243, 86377472), (256, 81991116), (268, 78319872), (288, 72880992), (324, 64783104), (384, 54660744), (402, 52213248), (432, 48587328), (486, 43188736), (512, 40995558), (536, 39159936), (576, 36440496), (603, 34808832), (648, 32391552), (768, 27330372), (804, 26106624), (864, 24293664), (972, 21594368), (1024, 20497779), (1072, 19579968), (1152, 18220248), (1206, 17404416), (1259, 16671744), (1296, 16195776), (1536, 13665186), (1608, 13053312), (1728, 12146832), (1809, 11602944), (1944, 10797184), (2144, 9789984), (2304, 9110124), (2412, 8702208), (2518, 8335872), (2592, 8097888), (3072, 6832593), (3216, 6526656), (3456, 6073416), (3618, 5801472), (3777, 5557248), (3888, 5398592), (4288, 4894992), (4608, 4555062), (4824, 4351104), (5036, 4167936), (5184, 4048944), (5427, 3867648), (6432, 3263328), (6912, 3036708), (7236, 2900736), (7554, 2778624), (7776, 2699296), (8576, 2447496), (9216, 2277531), (9648, 2175552), (10072, 2083968), (10368, 2024472), (10854, 1933824), (11331, 1852416), (12864, 1631664), (13824, 1518354), (14472, 1450368), (15108, 1389312), (15552, 1349648), (16281, 1289216), (17152, 1223748), (19296, 1087776), (20144, 1041984), (20736, 1012236), (21708, 966912), (22662, 926208), (25728, 815832), (27648, 759177), (28944, 725184), (30216, 694656), (31104, 674824), (32562, 644608), (33993, 617472), (34304, 611874), (38592, 543888), (40288, 520992), (41472, 506118), (43416, 483456), (45324, 463104), (51456, 407916), (57888, 362592), (60432, 347328), (62208, 337412), (65124, 322304), (67986, 308736), (68608, 305937), (77184, 271944), (80576, 260496), (82944, 253059), (84353, 248832), (86832, 241728), (90648, 231552), (101979, 205824), (102912, 203958), (115776, 181296), (120864, 173664), (124416, 168706), (130248, 161152), (135972, 154368)]