20322128

素因数分解:

$2^4\times {\mathrm{193}}^1\times {\mathrm{6581}}^1$

素因数の和:6782

約数の個数: 20

約数和(自身を含む): 39584148

約数和(自身を除く): 19262020

約数列:

[1, 2, 4, 8, 16, 193, 386, 772, 1544, 3088, 6581, 13162, 26324, 52648, 105296, 1270133, 2540266, 5080532, 10161064, 20322128]

約数ペア:

[(1, 20322128), (2, 10161064), (4, 5080532), (8, 2540266), (16, 1270133), (193, 105296), (386, 52648), (772, 26324), (1544, 13162), (3088, 6581)]