20561277

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{199}}^1$

素因数の和:345

約数の個数: 32

約数和(自身を含む): 31334400

約数和(自身を除く): 10773123

約数列:

[1, 3, 11, 31, 33, 93, 101, 199, 303, 341, 597, 1023, 1111, 2189, 3131, 3333, 6169, 6567, 9393, 18507, 20099, 34441, 60297, 67859, 103323, 203577, 221089, 623069, 663267, 1869207, 6853759, 20561277]

約数ペア:

[(1, 20561277), (3, 6853759), (11, 1869207), (31, 663267), (33, 623069), (93, 221089), (101, 203577), (199, 103323), (303, 67859), (341, 60297), (597, 34441), (1023, 20099), (1111, 18507), (2189, 9393), (3131, 6567), (3333, 6169)]