20028928

素因数分解:

$2^9\times {\mathrm{39119}}^1$

素因数の和:39137

約数の個数: 20

約数和(自身を含む): 40019760

約数和(自身を除く): 19990832

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 39119, 78238, 156476, 312952, 625904, 1251808, 2503616, 5007232, 10014464, 20028928]

約数ペア:

[(1, 20028928), (2, 10014464), (4, 5007232), (8, 2503616), (16, 1251808), (32, 625904), (64, 312952), (128, 156476), (256, 78238), (512, 39119)]