20820306

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{266927}}^1$

素因数の和:266945

約数の個数: 16

約数和(自身を含む): 44843904

約数和(自身を除く): 24023598

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 266927, 533854, 800781, 1601562, 3470051, 6940102, 10410153, 20820306]

約数ペア:

[(1, 20820306), (2, 10410153), (3, 6940102), (6, 3470051), (13, 1601562), (26, 800781), (39, 533854), (78, 266927)]