20447744

素因数分解:

$2^9\times {\mathrm{39937}}^1$

素因数の和:39955

約数の個数: 20

約数和(自身を含む): 40856574

約数和(自身を除く): 20408830

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 39937, 79874, 159748, 319496, 638992, 1277984, 2555968, 5111936, 10223872, 20447744]

約数ペア:

[(1, 20447744), (2, 10223872), (4, 5111936), (8, 2555968), (16, 1277984), (32, 638992), (64, 319496), (128, 159748), (256, 79874), (512, 39937)]