20799488

素因数分解:

$2^{13}\times {\mathrm{2539}}^1$

素因数の和:2565

約数の個数: 28

約数和(自身を含む): 41612820

約数和(自身を除く): 20813332

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 2539, 4096, 5078, 8192, 10156, 20312, 40624, 81248, 162496, 324992, 649984, 1299968, 2599936, 5199872, 10399744, 20799488]

約数ペア:

[(1, 20799488), (2, 10399744), (4, 5199872), (8, 2599936), (16, 1299968), (32, 649984), (64, 324992), (128, 162496), (256, 81248), (512, 40624), (1024, 20312), (2048, 10156), (2539, 8192), (4096, 5078)]