20575744

素因数分解:

$2^9\times 7^1\times {\mathrm{5741}}^1$

素因数の和:5766

約数の個数: 40

約数和(自身を含む): 46992528

約数和(自身を除く): 26416784

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1792, 3584, 5741, 11482, 22964, 40187, 45928, 80374, 91856, 160748, 183712, 321496, 367424, 642992, 734848, 1285984, 1469696, 2571968, 2939392, 5143936, 10287872, 20575744]

約数ペア:

[(1, 20575744), (2, 10287872), (4, 5143936), (7, 2939392), (8, 2571968), (14, 1469696), (16, 1285984), (28, 734848), (32, 642992), (56, 367424), (64, 321496), (112, 183712), (128, 160748), (224, 91856), (256, 80374), (448, 45928), (512, 40187), (896, 22964), (1792, 11482), (3584, 5741)]