20502912

素因数分解:

$2^7\times 3^1\times {\mathrm{107}}^1\times {\mathrm{499}}^1$

素因数の和:623

約数の個数: 64

約数和(自身を含む): 55080000

約数和(自身を除く): 34577088

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 107, 128, 192, 214, 321, 384, 428, 499, 642, 856, 998, 1284, 1497, 1712, 1996, 2568, 2994, 3424, 3992, 5136, 5988, 6848, 7984, 10272, 11976, 13696, 15968, 20544, 23952, 31936, 41088, 47904, 53393, 63872, 95808, 106786, 160179, 191616, 213572, 320358, 427144, 640716, 854288, 1281432, 1708576, 2562864, 3417152, 5125728, 6834304, 10251456, 20502912]

約数ペア:

[(1, 20502912), (2, 10251456), (3, 6834304), (4, 5125728), (6, 3417152), (8, 2562864), (12, 1708576), (16, 1281432), (24, 854288), (32, 640716), (48, 427144), (64, 320358), (96, 213572), (107, 191616), (128, 160179), (192, 106786), (214, 95808), (321, 63872), (384, 53393), (428, 47904), (499, 41088), (642, 31936), (856, 23952), (998, 20544), (1284, 15968), (1497, 13696), (1712, 11976), (1996, 10272), (2568, 7984), (2994, 6848), (3424, 5988), (3992, 5136)]