20748387

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{11863}}^1$

素因数の和:11930

約数の個数: 16

約数和(自身を含む): 30751488

約数和(自身を除く): 10003101

約数列:

[1, 3, 11, 33, 53, 159, 583, 1749, 11863, 35589, 130493, 391479, 628739, 1886217, 6916129, 20748387]

約数ペア:

[(1, 20748387), (3, 6916129), (11, 1886217), (33, 628739), (53, 391479), (159, 130493), (583, 35589), (1749, 11863)]