20311296

素因数分解:

$2^8\times 3^1\times {\mathrm{53}}^1\times {\mathrm{499}}^1$

素因数の和:571

約数の個数: 72

約数和(自身を含む): 55188000

約数和(自身を除く): 34876704

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 53, 64, 96, 106, 128, 159, 192, 212, 256, 318, 384, 424, 499, 636, 768, 848, 998, 1272, 1497, 1696, 1996, 2544, 2994, 3392, 3992, 5088, 5988, 6784, 7984, 10176, 11976, 13568, 15968, 20352, 23952, 26447, 31936, 40704, 47904, 52894, 63872, 79341, 95808, 105788, 127744, 158682, 191616, 211576, 317364, 383232, 423152, 634728, 846304, 1269456, 1692608, 2538912, 3385216, 5077824, 6770432, 10155648, 20311296]

約数ペア:

[(1, 20311296), (2, 10155648), (3, 6770432), (4, 5077824), (6, 3385216), (8, 2538912), (12, 1692608), (16, 1269456), (24, 846304), (32, 634728), (48, 423152), (53, 383232), (64, 317364), (96, 211576), (106, 191616), (128, 158682), (159, 127744), (192, 105788), (212, 95808), (256, 79341), (318, 63872), (384, 52894), (424, 47904), (499, 40704), (636, 31936), (768, 26447), (848, 23952), (998, 20352), (1272, 15968), (1497, 13568), (1696, 11976), (1996, 10176), (2544, 7984), (2994, 6784), (3392, 5988), (3992, 5088)]