20870912

素因数分解:

$2^8\times {\mathrm{81527}}^1$

素因数の和:81543

約数の個数: 18

約数和(自身を含む): 41660808

約数和(自身を除く): 20789896

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 81527, 163054, 326108, 652216, 1304432, 2608864, 5217728, 10435456, 20870912]

約数ペア:

[(1, 20870912), (2, 10435456), (4, 5217728), (8, 2608864), (16, 1304432), (32, 652216), (64, 326108), (128, 163054), (256, 81527)]