20144578221

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{5121937}}^1$

素因数の和:5121985

約数の個数: 24

約数和(自身を含む): 31960893120

約数和(自身を除く): 11816314899

約数列:

[1, 3, 9, 19, 23, 57, 69, 171, 207, 437, 1311, 3933, 5121937, 15365811, 46097433, 97316803, 117804551, 291950409, 353413653, 875851227, 1060240959, 2238286469, 6714859407, 20144578221]

約数ペア:

[(1, 20144578221), (3, 6714859407), (9, 2238286469), (19, 1060240959), (23, 875851227), (57, 353413653), (69, 291950409), (171, 117804551), (207, 97316803), (437, 46097433), (1311, 15365811), (3933, 5121937)]