20531712

素因数分解:

$2^9\times 3^1\times {\mathrm{13367}}^1$

素因数の和:13388

約数の個数: 40

約数和(自身を含む): 54701856

約数和(自身を除く): 34170144

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 256, 384, 512, 768, 1536, 13367, 26734, 40101, 53468, 80202, 106936, 160404, 213872, 320808, 427744, 641616, 855488, 1283232, 1710976, 2566464, 3421952, 5132928, 6843904, 10265856, 20531712]

約数ペア:

[(1, 20531712), (2, 10265856), (3, 6843904), (4, 5132928), (6, 3421952), (8, 2566464), (12, 1710976), (16, 1283232), (24, 855488), (32, 641616), (48, 427744), (64, 320808), (96, 213872), (128, 160404), (192, 106936), (256, 80202), (384, 53468), (512, 40101), (768, 26734), (1536, 13367)]