20675105

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{1889}}^1$

素因数の和:2104

約数の個数: 16

約数和(自身を含む): 27216000

約数和(自身を除く): 6540895

約数列:

[1, 5, 11, 55, 199, 995, 1889, 2189, 9445, 10945, 20779, 103895, 375911, 1879555, 4135021, 20675105]

約数ペア:

[(1, 20675105), (5, 4135021), (11, 1879555), (55, 375911), (199, 103895), (995, 20779), (1889, 10945), (2189, 9445)]