20327424

素因数分解:

$2^{10}\times 3^1\times {\mathrm{13}}^1\times {\mathrm{509}}^1$

素因数の和:545

約数の個数: 88

約数和(自身を含む): 58462320

約数和(自身を除く): 38134896

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 128, 156, 192, 208, 256, 312, 384, 416, 509, 512, 624, 768, 832, 1018, 1024, 1248, 1527, 1536, 1664, 2036, 2496, 3054, 3072, 3328, 4072, 4992, 6108, 6617, 6656, 8144, 9984, 12216, 13234, 13312, 16288, 19851, 19968, 24432, 26468, 32576, 39702, 39936, 48864, 52936, 65152, 79404, 97728, 105872, 130304, 158808, 195456, 211744, 260608, 317616, 390912, 423488, 521216, 635232, 781824, 846976, 1270464, 1563648, 1693952, 2540928, 3387904, 5081856, 6775808, 10163712, 20327424]

約数ペア:

[(1, 20327424), (2, 10163712), (3, 6775808), (4, 5081856), (6, 3387904), (8, 2540928), (12, 1693952), (13, 1563648), (16, 1270464), (24, 846976), (26, 781824), (32, 635232), (39, 521216), (48, 423488), (52, 390912), (64, 317616), (78, 260608), (96, 211744), (104, 195456), (128, 158808), (156, 130304), (192, 105872), (208, 97728), (256, 79404), (312, 65152), (384, 52936), (416, 48864), (509, 39936), (512, 39702), (624, 32576), (768, 26468), (832, 24432), (1018, 19968), (1024, 19851), (1248, 16288), (1527, 13312), (1536, 13234), (1664, 12216), (2036, 9984), (2496, 8144), (3054, 6656), (3072, 6617), (3328, 6108), (4072, 4992)]