20667968

素因数分解:

$2^6\times {\mathrm{47}}^1\times {\mathrm{6871}}^1$

素因数の和:6930

約数の個数: 28

約数和(自身を含む): 41891712

約数和(自身を除く): 21223744

約数列:

[1, 2, 4, 8, 16, 32, 47, 64, 94, 188, 376, 752, 1504, 3008, 6871, 13742, 27484, 54968, 109936, 219872, 322937, 439744, 645874, 1291748, 2583496, 5166992, 10333984, 20667968]

約数ペア:

[(1, 20667968), (2, 10333984), (4, 5166992), (8, 2583496), (16, 1291748), (32, 645874), (47, 439744), (64, 322937), (94, 219872), (188, 109936), (376, 54968), (752, 27484), (1504, 13742), (3008, 6871)]