20874672

素因数分解:

$2^4\times 3^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1$

素因数の和:102

約数の個数: 240

約数和(自身を含む): 75828480

約数和(自身を除く): 54953808

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 27, 28, 36, 39, 42, 48, 52, 54, 56, 59, 63, 72, 78, 81, 84, 91, 104, 108, 112, 117, 118, 126, 144, 156, 162, 168, 177, 182, 189, 208, 216, 234, 236, 243, 252, 273, 312, 324, 336, 351, 354, 364, 378, 413, 432, 468, 472, 486, 504, 531, 546, 567, 624, 648, 702, 708, 728, 756, 767, 819, 826, 936, 944, 972, 1008, 1053, 1062, 1092, 1134, 1239, 1296, 1404, 1416, 1456, 1512, 1534, 1593, 1638, 1652, 1701, 1872, 1944, 2106, 2124, 2184, 2268, 2301, 2457, 2478, 2808, 2832, 3024, 3068, 3159, 3186, 3276, 3304, 3402, 3717, 3888, 4212, 4248, 4368, 4536, 4602, 4779, 4914, 4956, 5369, 5616, 6136, 6318, 6372, 6552, 6608, 6804, 6903, 7371, 7434, 8424, 8496, 9072, 9204, 9558, 9828, 9912, 10738, 11151, 12272, 12636, 12744, 13104, 13608, 13806, 14337, 14742, 14868, 16107, 16848, 18408, 19116, 19656, 19824, 20709, 21476, 22113, 22302, 25272, 25488, 27216, 27612, 28674, 29484, 29736, 32214, 33453, 36816, 38232, 39312, 41418, 42952, 44226, 44604, 48321, 50544, 55224, 57348, 58968, 59472, 62127, 64428, 66906, 76464, 82836, 85904, 88452, 89208, 96642, 100359, 110448, 114696, 117936, 124254, 128856, 133812, 144963, 165672, 176904, 178416, 186381, 193284, 200718, 229392, 248508, 257712, 267624, 289926, 331344, 353808, 372762, 386568, 401436, 434889, 497016, 535248, 579852, 745524, 773136, 802872, 869778, 994032, 1159704, 1304667, 1491048, 1605744, 1739556, 2319408, 2609334, 2982096, 3479112, 5218668, 6958224, 10437336, 20874672]

約数ペア:

[(1, 20874672), (2, 10437336), (3, 6958224), (4, 5218668), (6, 3479112), (7, 2982096), (8, 2609334), (9, 2319408), (12, 1739556), (13, 1605744), (14, 1491048), (16, 1304667), (18, 1159704), (21, 994032), (24, 869778), (26, 802872), (27, 773136), (28, 745524), (36, 579852), (39, 535248), (42, 497016), (48, 434889), (52, 401436), (54, 386568), (56, 372762), (59, 353808), (63, 331344), (72, 289926), (78, 267624), (81, 257712), (84, 248508), (91, 229392), (104, 200718), (108, 193284), (112, 186381), (117, 178416), (118, 176904), (126, 165672), (144, 144963), (156, 133812), (162, 128856), (168, 124254), (177, 117936), (182, 114696), (189, 110448), (208, 100359), (216, 96642), (234, 89208), (236, 88452), (243, 85904), (252, 82836), (273, 76464), (312, 66906), (324, 64428), (336, 62127), (351, 59472), (354, 58968), (364, 57348), (378, 55224), (413, 50544), (432, 48321), (468, 44604), (472, 44226), (486, 42952), (504, 41418), (531, 39312), (546, 38232), (567, 36816), (624, 33453), (648, 32214), (702, 29736), (708, 29484), (728, 28674), (756, 27612), (767, 27216), (819, 25488), (826, 25272), (936, 22302), (944, 22113), (972, 21476), (1008, 20709), (1053, 19824), (1062, 19656), (1092, 19116), (1134, 18408), (1239, 16848), (1296, 16107), (1404, 14868), (1416, 14742), (1456, 14337), (1512, 13806), (1534, 13608), (1593, 13104), (1638, 12744), (1652, 12636), (1701, 12272), (1872, 11151), (1944, 10738), (2106, 9912), (2124, 9828), (2184, 9558), (2268, 9204), (2301, 9072), (2457, 8496), (2478, 8424), (2808, 7434), (2832, 7371), (3024, 6903), (3068, 6804), (3159, 6608), (3186, 6552), (3276, 6372), (3304, 6318), (3402, 6136), (3717, 5616), (3888, 5369), (4212, 4956), (4248, 4914), (4368, 4779), (4536, 4602)]