20584746

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:161

約数の個数: 128

約数和(自身を含む): 58060800

約数和(自身を除く): 37476054

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 39, 42, 54, 59, 63, 71, 78, 91, 117, 118, 126, 142, 177, 182, 189, 213, 234, 273, 351, 354, 378, 413, 426, 497, 531, 546, 639, 702, 767, 819, 826, 923, 994, 1062, 1239, 1278, 1491, 1534, 1593, 1638, 1846, 1917, 2301, 2457, 2478, 2769, 2982, 3186, 3717, 3834, 4189, 4473, 4602, 4914, 5369, 5538, 6461, 6903, 7434, 8307, 8378, 8946, 10738, 11151, 12567, 12922, 13419, 13806, 16107, 16614, 19383, 20709, 22302, 24921, 25134, 26838, 29323, 32214, 37701, 38766, 41418, 48321, 49842, 54457, 58149, 58646, 75402, 87969, 96642, 108914, 113103, 116298, 144963, 163371, 174447, 175938, 226206, 263907, 289926, 326742, 348894, 381199, 490113, 527814, 762398, 791721, 980226, 1143597, 1470339, 1583442, 2287194, 2940678, 3430791, 6861582, 10292373, 20584746]

約数ペア:

[(1, 20584746), (2, 10292373), (3, 6861582), (6, 3430791), (7, 2940678), (9, 2287194), (13, 1583442), (14, 1470339), (18, 1143597), (21, 980226), (26, 791721), (27, 762398), (39, 527814), (42, 490113), (54, 381199), (59, 348894), (63, 326742), (71, 289926), (78, 263907), (91, 226206), (117, 175938), (118, 174447), (126, 163371), (142, 144963), (177, 116298), (182, 113103), (189, 108914), (213, 96642), (234, 87969), (273, 75402), (351, 58646), (354, 58149), (378, 54457), (413, 49842), (426, 48321), (497, 41418), (531, 38766), (546, 37701), (639, 32214), (702, 29323), (767, 26838), (819, 25134), (826, 24921), (923, 22302), (994, 20709), (1062, 19383), (1239, 16614), (1278, 16107), (1491, 13806), (1534, 13419), (1593, 12922), (1638, 12567), (1846, 11151), (1917, 10738), (2301, 8946), (2457, 8378), (2478, 8307), (2769, 7434), (2982, 6903), (3186, 6461), (3717, 5538), (3834, 5369), (4189, 4914), (4473, 4602)]