20824128

素因数分解:

$2^6\times 3^5\times {\mathrm{13}}^1\times {\mathrm{103}}^1$

素因数の和:143

約数の個数: 168

約数和(自身を含む): 67307968

約数和(自身を除く): 46483840

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 32, 36, 39, 48, 52, 54, 64, 72, 78, 81, 96, 103, 104, 108, 117, 144, 156, 162, 192, 206, 208, 216, 234, 243, 288, 309, 312, 324, 351, 412, 416, 432, 468, 486, 576, 618, 624, 648, 702, 824, 832, 864, 927, 936, 972, 1053, 1236, 1248, 1296, 1339, 1404, 1648, 1728, 1854, 1872, 1944, 2106, 2472, 2496, 2592, 2678, 2781, 2808, 3159, 3296, 3708, 3744, 3888, 4017, 4212, 4944, 5184, 5356, 5562, 5616, 6318, 6592, 7416, 7488, 7776, 8034, 8343, 8424, 9888, 10712, 11124, 11232, 12051, 12636, 14832, 15552, 16068, 16686, 16848, 19776, 21424, 22248, 22464, 24102, 25029, 25272, 29664, 32136, 33372, 33696, 36153, 42848, 44496, 48204, 50058, 50544, 59328, 64272, 66744, 67392, 72306, 85696, 88992, 96408, 100116, 101088, 108459, 128544, 133488, 144612, 177984, 192816, 200232, 202176, 216918, 257088, 266976, 289224, 325377, 385632, 400464, 433836, 533952, 578448, 650754, 771264, 800928, 867672, 1156896, 1301508, 1601856, 1735344, 2313792, 2603016, 3470688, 5206032, 6941376, 10412064, 20824128]

約数ペア:

[(1, 20824128), (2, 10412064), (3, 6941376), (4, 5206032), (6, 3470688), (8, 2603016), (9, 2313792), (12, 1735344), (13, 1601856), (16, 1301508), (18, 1156896), (24, 867672), (26, 800928), (27, 771264), (32, 650754), (36, 578448), (39, 533952), (48, 433836), (52, 400464), (54, 385632), (64, 325377), (72, 289224), (78, 266976), (81, 257088), (96, 216918), (103, 202176), (104, 200232), (108, 192816), (117, 177984), (144, 144612), (156, 133488), (162, 128544), (192, 108459), (206, 101088), (208, 100116), (216, 96408), (234, 88992), (243, 85696), (288, 72306), (309, 67392), (312, 66744), (324, 64272), (351, 59328), (412, 50544), (416, 50058), (432, 48204), (468, 44496), (486, 42848), (576, 36153), (618, 33696), (624, 33372), (648, 32136), (702, 29664), (824, 25272), (832, 25029), (864, 24102), (927, 22464), (936, 22248), (972, 21424), (1053, 19776), (1236, 16848), (1248, 16686), (1296, 16068), (1339, 15552), (1404, 14832), (1648, 12636), (1728, 12051), (1854, 11232), (1872, 11124), (1944, 10712), (2106, 9888), (2472, 8424), (2496, 8343), (2592, 8034), (2678, 7776), (2781, 7488), (2808, 7416), (3159, 6592), (3296, 6318), (3708, 5616), (3744, 5562), (3888, 5356), (4017, 5184), (4212, 4944)]