20961303

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{27617}}^1$

素因数の和:27654

約数の個数: 16

約数和(自身を含む): 31815936

約数和(自身を除く): 10854633

約数列:

[1, 3, 11, 23, 33, 69, 253, 759, 27617, 82851, 303787, 635191, 911361, 1905573, 6987101, 20961303]

約数ペア:

[(1, 20961303), (3, 6987101), (11, 1905573), (23, 911361), (33, 635191), (69, 303787), (253, 82851), (759, 27617)]