20581344

素因数分解:

$2^5\times 3^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1$

素因数の和:150

約数の個数: 192

約数和(自身を含む): 71124480

約数和(自身を除く): 50543136

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 41, 42, 48, 54, 56, 63, 72, 82, 83, 84, 96, 108, 112, 123, 126, 144, 164, 166, 168, 189, 216, 224, 246, 249, 252, 287, 288, 328, 332, 336, 369, 378, 432, 492, 498, 504, 574, 581, 656, 664, 672, 738, 747, 756, 861, 864, 984, 996, 1008, 1107, 1148, 1162, 1312, 1328, 1476, 1494, 1512, 1722, 1743, 1968, 1992, 2016, 2214, 2241, 2296, 2324, 2583, 2656, 2952, 2988, 3024, 3403, 3444, 3486, 3936, 3984, 4428, 4482, 4592, 4648, 5166, 5229, 5904, 5976, 6048, 6806, 6888, 6972, 7749, 7968, 8856, 8964, 9184, 9296, 10209, 10332, 10458, 11808, 11952, 13612, 13776, 13944, 15498, 15687, 17712, 17928, 18592, 20418, 20664, 20916, 23821, 23904, 27224, 27552, 27888, 30627, 30996, 31374, 35424, 35856, 40836, 41328, 41832, 47642, 54448, 55776, 61254, 61992, 62748, 71463, 71712, 81672, 82656, 83664, 91881, 95284, 108896, 122508, 123984, 125496, 142926, 163344, 167328, 183762, 190568, 214389, 245016, 247968, 250992, 285852, 326688, 367524, 381136, 428778, 490032, 501984, 571704, 643167, 735048, 762272, 857556, 980064, 1143408, 1286334, 1470096, 1715112, 2286816, 2572668, 2940192, 3430224, 5145336, 6860448, 10290672, 20581344]

約数ペア:

[(1, 20581344), (2, 10290672), (3, 6860448), (4, 5145336), (6, 3430224), (7, 2940192), (8, 2572668), (9, 2286816), (12, 1715112), (14, 1470096), (16, 1286334), (18, 1143408), (21, 980064), (24, 857556), (27, 762272), (28, 735048), (32, 643167), (36, 571704), (41, 501984), (42, 490032), (48, 428778), (54, 381136), (56, 367524), (63, 326688), (72, 285852), (82, 250992), (83, 247968), (84, 245016), (96, 214389), (108, 190568), (112, 183762), (123, 167328), (126, 163344), (144, 142926), (164, 125496), (166, 123984), (168, 122508), (189, 108896), (216, 95284), (224, 91881), (246, 83664), (249, 82656), (252, 81672), (287, 71712), (288, 71463), (328, 62748), (332, 61992), (336, 61254), (369, 55776), (378, 54448), (432, 47642), (492, 41832), (498, 41328), (504, 40836), (574, 35856), (581, 35424), (656, 31374), (664, 30996), (672, 30627), (738, 27888), (747, 27552), (756, 27224), (861, 23904), (864, 23821), (984, 20916), (996, 20664), (1008, 20418), (1107, 18592), (1148, 17928), (1162, 17712), (1312, 15687), (1328, 15498), (1476, 13944), (1494, 13776), (1512, 13612), (1722, 11952), (1743, 11808), (1968, 10458), (1992, 10332), (2016, 10209), (2214, 9296), (2241, 9184), (2296, 8964), (2324, 8856), (2583, 7968), (2656, 7749), (2952, 6972), (2988, 6888), (3024, 6806), (3403, 6048), (3444, 5976), (3486, 5904), (3936, 5229), (3984, 5166), (4428, 4648), (4482, 4592)]