20546780

素因数分解:

$2^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{5323}}^1$

素因数の和:5525

約数の個数: 24

約数和(自身を含む): 43379952

約数和(自身を除く): 22833172

約数列:

[1, 2, 4, 5, 10, 20, 193, 386, 772, 965, 1930, 3860, 5323, 10646, 21292, 26615, 53230, 106460, 1027339, 2054678, 4109356, 5136695, 10273390, 20546780]

約数ペア:

[(1, 20546780), (2, 10273390), (4, 5136695), (5, 4109356), (10, 2054678), (20, 1027339), (193, 106460), (386, 53230), (772, 26615), (965, 21292), (1930, 10646), (3860, 5323)]