20408832

素因数分解:

$2^9\times 3^2\times {\mathrm{43}}^1\times {\mathrm{103}}^1$

素因数の和:170

約数の個数: 120

約数和(自身を含む): 60856224

約数和(自身を除く): 40447392

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 43, 48, 64, 72, 86, 96, 103, 128, 129, 144, 172, 192, 206, 256, 258, 288, 309, 344, 384, 387, 412, 512, 516, 576, 618, 688, 768, 774, 824, 927, 1032, 1152, 1236, 1376, 1536, 1548, 1648, 1854, 2064, 2304, 2472, 2752, 3096, 3296, 3708, 4128, 4429, 4608, 4944, 5504, 6192, 6592, 7416, 8256, 8858, 9888, 11008, 12384, 13184, 13287, 14832, 16512, 17716, 19776, 22016, 24768, 26368, 26574, 29664, 33024, 35432, 39552, 39861, 49536, 52736, 53148, 59328, 66048, 70864, 79104, 79722, 99072, 106296, 118656, 141728, 158208, 159444, 198144, 212592, 237312, 283456, 318888, 425184, 474624, 566912, 637776, 850368, 1133824, 1275552, 1700736, 2267648, 2551104, 3401472, 5102208, 6802944, 10204416, 20408832]

約数ペア:

[(1, 20408832), (2, 10204416), (3, 6802944), (4, 5102208), (6, 3401472), (8, 2551104), (9, 2267648), (12, 1700736), (16, 1275552), (18, 1133824), (24, 850368), (32, 637776), (36, 566912), (43, 474624), (48, 425184), (64, 318888), (72, 283456), (86, 237312), (96, 212592), (103, 198144), (128, 159444), (129, 158208), (144, 141728), (172, 118656), (192, 106296), (206, 99072), (256, 79722), (258, 79104), (288, 70864), (309, 66048), (344, 59328), (384, 53148), (387, 52736), (412, 49536), (512, 39861), (516, 39552), (576, 35432), (618, 33024), (688, 29664), (768, 26574), (774, 26368), (824, 24768), (927, 22016), (1032, 19776), (1152, 17716), (1236, 16512), (1376, 14832), (1536, 13287), (1548, 13184), (1648, 12384), (1854, 11008), (2064, 9888), (2304, 8858), (2472, 8256), (2752, 7416), (3096, 6592), (3296, 6192), (3708, 5504), (4128, 4944), (4429, 4608)]