20428903

素因数分解:

${\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{523}}^1$

素因数の和:654

約数の個数: 16

約数和(自身を含む): 23089536

約数和(自身を除く): 2660633

約数列:

[1, 11, 53, 67, 523, 583, 737, 3551, 5753, 27719, 35041, 39061, 304909, 385451, 1857173, 20428903]

約数ペア:

[(1, 20428903), (11, 1857173), (53, 385451), (67, 304909), (523, 39061), (583, 35041), (737, 27719), (3551, 5753)]