20512031765

素因数分解:

$5^1\times {\mathrm{97}}^1\times {\mathrm{113}}^1\times {\mathrm{241}}^1\times {\mathrm{1553}}^1$

素因数の和:2009

約数の個数: 32

約数和(自身を含む): 25208590176

約数和(自身を除く): 4696558411

約数列:

[1, 5, 97, 113, 241, 485, 565, 1205, 1553, 7765, 10961, 23377, 27233, 54805, 116885, 136165, 150641, 175489, 374273, 753205, 877445, 1871365, 2641601, 13208005, 17022433, 36304481, 42292849, 85112165, 181522405, 211464245, 4102406353, 20512031765]

約数ペア:

[(1, 20512031765), (5, 4102406353), (97, 211464245), (113, 181522405), (241, 85112165), (485, 42292849), (565, 36304481), (1205, 17022433), (1553, 13208005), (7765, 2641601), (10961, 1871365), (23377, 877445), (27233, 753205), (54805, 374273), (116885, 175489), (136165, 150641)]