20862976

素因数分解:

$2^{11}\times {\mathrm{61}}^1\times {\mathrm{167}}^1$

素因数の和:250

約数の個数: 48

約数和(自身を含む): 42653520

約数和(自身を除く): 21790544

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 122, 128, 167, 244, 256, 334, 488, 512, 668, 976, 1024, 1336, 1952, 2048, 2672, 3904, 5344, 7808, 10187, 10688, 15616, 20374, 21376, 31232, 40748, 42752, 62464, 81496, 85504, 124928, 162992, 171008, 325984, 342016, 651968, 1303936, 2607872, 5215744, 10431488, 20862976]

約数ペア:

[(1, 20862976), (2, 10431488), (4, 5215744), (8, 2607872), (16, 1303936), (32, 651968), (61, 342016), (64, 325984), (122, 171008), (128, 162992), (167, 124928), (244, 85504), (256, 81496), (334, 62464), (488, 42752), (512, 40748), (668, 31232), (976, 21376), (1024, 20374), (1336, 15616), (1952, 10688), (2048, 10187), (2672, 7808), (3904, 5344)]