20799616

素因数分解:

$2^7\times {\mathrm{43}}^1\times {\mathrm{3779}}^1$

素因数の和:3836

約数の個数: 32

約数和(自身を含む): 42411600

約数和(自身を除く): 21611984

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 128, 172, 344, 688, 1376, 2752, 3779, 5504, 7558, 15116, 30232, 60464, 120928, 162497, 241856, 324994, 483712, 649988, 1299976, 2599952, 5199904, 10399808, 20799616]

約数ペア:

[(1, 20799616), (2, 10399808), (4, 5199904), (8, 2599952), (16, 1299976), (32, 649988), (43, 483712), (64, 324994), (86, 241856), (128, 162497), (172, 120928), (344, 60464), (688, 30232), (1376, 15116), (2752, 7558), (3779, 5504)]