20967995916

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{491}}^1\times {\mathrm{563}}^1$

素因数の和:1121

約数の個数: 216

約数和(自身を含む): 63330531264

約数和(自身を除く): 42362535348

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 43, 49, 63, 84, 86, 98, 126, 129, 147, 172, 196, 252, 258, 294, 301, 387, 441, 491, 516, 563, 588, 602, 774, 882, 903, 982, 1126, 1204, 1473, 1548, 1689, 1764, 1806, 1964, 2107, 2252, 2709, 2946, 3378, 3437, 3612, 3941, 4214, 4419, 5067, 5418, 5892, 6321, 6756, 6874, 7882, 8428, 8838, 10134, 10311, 10836, 11823, 12642, 13748, 15764, 17676, 18963, 20268, 20622, 21113, 23646, 24059, 24209, 25284, 27587, 30933, 35469, 37926, 41244, 42226, 47292, 48118, 48418, 55174, 61866, 63339, 70938, 72177, 72627, 75852, 82761, 84452, 96236, 96836, 110348, 123732, 126678, 141876, 144354, 145254, 147791, 165522, 169463, 190017, 216531, 217881, 248283, 253356, 276433, 288708, 290508, 295582, 331044, 338926, 380034, 433062, 435762, 443373, 496566, 508389, 552866, 591164, 677852, 760068, 829299, 866124, 871524, 886746, 993132, 1016778, 1034537, 1105732, 1186241, 1330119, 1525167, 1658598, 1773492, 1935031, 2033556, 2069074, 2372482, 2487897, 2660238, 3050334, 3103611, 3317196, 3558723, 3870062, 4138148, 4744964, 4975794, 5320476, 5805093, 6100668, 6207222, 7117446, 7740124, 9310833, 9951588, 10676169, 11610186, 11886619, 12414444, 13545217, 14234892, 17415279, 18621666, 21352338, 23220372, 23773238, 27090434, 34830558, 35659857, 37243332, 40635651, 42704676, 47546476, 54180868, 69661116, 71319714, 81271302, 83206333, 106979571, 121906953, 142639428, 162542604, 166412666, 213959142, 243813906, 249618999, 332825332, 427918284, 487627812, 499237998, 582444331, 748856997, 998475996, 1164888662, 1497713994, 1747332993, 2329777324, 2995427988, 3494665986, 5241998979, 6989331972, 10483997958, 20967995916]

約数ペア:

[(1, 20967995916), (2, 10483997958), (3, 6989331972), (4, 5241998979), (6, 3494665986), (7, 2995427988), (9, 2329777324), (12, 1747332993), (14, 1497713994), (18, 1164888662), (21, 998475996), (28, 748856997), (36, 582444331), (42, 499237998), (43, 487627812), (49, 427918284), (63, 332825332), (84, 249618999), (86, 243813906), (98, 213959142), (126, 166412666), (129, 162542604), (147, 142639428), (172, 121906953), (196, 106979571), (252, 83206333), (258, 81271302), (294, 71319714), (301, 69661116), (387, 54180868), (441, 47546476), (491, 42704676), (516, 40635651), (563, 37243332), (588, 35659857), (602, 34830558), (774, 27090434), (882, 23773238), (903, 23220372), (982, 21352338), (1126, 18621666), (1204, 17415279), (1473, 14234892), (1548, 13545217), (1689, 12414444), (1764, 11886619), (1806, 11610186), (1964, 10676169), (2107, 9951588), (2252, 9310833), (2709, 7740124), (2946, 7117446), (3378, 6207222), (3437, 6100668), (3612, 5805093), (3941, 5320476), (4214, 4975794), (4419, 4744964), (5067, 4138148), (5418, 3870062), (5892, 3558723), (6321, 3317196), (6756, 3103611), (6874, 3050334), (7882, 2660238), (8428, 2487897), (8838, 2372482), (10134, 2069074), (10311, 2033556), (10836, 1935031), (11823, 1773492), (12642, 1658598), (13748, 1525167), (15764, 1330119), (17676, 1186241), (18963, 1105732), (20268, 1034537), (20622, 1016778), (21113, 993132), (23646, 886746), (24059, 871524), (24209, 866124), (25284, 829299), (27587, 760068), (30933, 677852), (35469, 591164), (37926, 552866), (41244, 508389), (42226, 496566), (47292, 443373), (48118, 435762), (48418, 433062), (55174, 380034), (61866, 338926), (63339, 331044), (70938, 295582), (72177, 290508), (72627, 288708), (75852, 276433), (82761, 253356), (84452, 248283), (96236, 217881), (96836, 216531), (110348, 190017), (123732, 169463), (126678, 165522), (141876, 147791), (144354, 145254)]