20490060864

素因数分解:

$2^6\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61723}}^1$

素因数の和:61777

約数の個数: 224

約数和(自身を含む): 70236974080

約数和(自身を除く): 49746913216

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 19, 21, 24, 26, 28, 32, 38, 39, 42, 48, 52, 56, 57, 64, 76, 78, 84, 91, 96, 104, 112, 114, 133, 152, 156, 168, 182, 192, 208, 224, 228, 247, 266, 273, 304, 312, 336, 364, 399, 416, 448, 456, 494, 532, 546, 608, 624, 672, 728, 741, 798, 832, 912, 988, 1064, 1092, 1216, 1248, 1344, 1456, 1482, 1596, 1729, 1824, 1976, 2128, 2184, 2496, 2912, 2964, 3192, 3458, 3648, 3952, 4256, 4368, 5187, 5824, 5928, 6384, 6916, 7904, 8512, 8736, 10374, 11856, 12768, 13832, 15808, 17472, 20748, 23712, 25536, 27664, 41496, 47424, 55328, 61723, 82992, 110656, 123446, 165984, 185169, 246892, 331968, 370338, 432061, 493784, 740676, 802399, 864122, 987568, 1172737, 1296183, 1481352, 1604798, 1728244, 1975136, 2345474, 2407197, 2592366, 2962704, 3209596, 3456488, 3518211, 3950272, 4690948, 4814394, 5184732, 5616793, 5925408, 6419192, 6912976, 7036422, 8209159, 9381896, 9628788, 10369464, 11233586, 11850816, 12838384, 13825952, 14072844, 15245581, 16418318, 16850379, 18763792, 19257576, 20738928, 22467172, 24627477, 25676768, 27651904, 28145688, 30491162, 32836636, 33700758, 37527584, 38515152, 41477856, 44934344, 45736743, 49254954, 51353536, 56291376, 60982324, 65673272, 67401516, 75055168, 77030304, 82955712, 89868688, 91473486, 98509908, 106719067, 112582752, 121964648, 131346544, 134803032, 154060608, 179737376, 182946972, 197019816, 213438134, 225165504, 243929296, 262693088, 269606064, 320157201, 359474752, 365893944, 394039632, 426876268, 487858592, 525386176, 539212128, 640314402, 731787888, 788079264, 853752536, 975717184, 1078424256, 1280628804, 1463575776, 1576158528, 1707505072, 2561257608, 2927151552, 3415010144, 5122515216, 6830020288, 10245030432, 20490060864]

約数ペア:

[(1, 20490060864), (2, 10245030432), (3, 6830020288), (4, 5122515216), (6, 3415010144), (7, 2927151552), (8, 2561257608), (12, 1707505072), (13, 1576158528), (14, 1463575776), (16, 1280628804), (19, 1078424256), (21, 975717184), (24, 853752536), (26, 788079264), (28, 731787888), (32, 640314402), (38, 539212128), (39, 525386176), (42, 487858592), (48, 426876268), (52, 394039632), (56, 365893944), (57, 359474752), (64, 320157201), (76, 269606064), (78, 262693088), (84, 243929296), (91, 225165504), (96, 213438134), (104, 197019816), (112, 182946972), (114, 179737376), (133, 154060608), (152, 134803032), (156, 131346544), (168, 121964648), (182, 112582752), (192, 106719067), (208, 98509908), (224, 91473486), (228, 89868688), (247, 82955712), (266, 77030304), (273, 75055168), (304, 67401516), (312, 65673272), (336, 60982324), (364, 56291376), (399, 51353536), (416, 49254954), (448, 45736743), (456, 44934344), (494, 41477856), (532, 38515152), (546, 37527584), (608, 33700758), (624, 32836636), (672, 30491162), (728, 28145688), (741, 27651904), (798, 25676768), (832, 24627477), (912, 22467172), (988, 20738928), (1064, 19257576), (1092, 18763792), (1216, 16850379), (1248, 16418318), (1344, 15245581), (1456, 14072844), (1482, 13825952), (1596, 12838384), (1729, 11850816), (1824, 11233586), (1976, 10369464), (2128, 9628788), (2184, 9381896), (2496, 8209159), (2912, 7036422), (2964, 6912976), (3192, 6419192), (3458, 5925408), (3648, 5616793), (3952, 5184732), (4256, 4814394), (4368, 4690948), (5187, 3950272), (5824, 3518211), (5928, 3456488), (6384, 3209596), (6916, 2962704), (7904, 2592366), (8512, 2407197), (8736, 2345474), (10374, 1975136), (11856, 1728244), (12768, 1604798), (13832, 1481352), (15808, 1296183), (17472, 1172737), (20748, 987568), (23712, 864122), (25536, 802399), (27664, 740676), (41496, 493784), (47424, 432061), (55328, 370338), (61723, 331968), (82992, 246892), (110656, 185169), (123446, 165984)]