20658909

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{6143}}^1$

素因数の和:6224

約数の個数: 16

約数和(自身を含む): 29491200

約数和(自身を除く): 8832291

約数列:

[1, 3, 19, 57, 59, 177, 1121, 3363, 6143, 18429, 116717, 350151, 362437, 1087311, 6886303, 20658909]

約数ペア:

[(1, 20658909), (3, 6886303), (19, 1087311), (57, 362437), (59, 350151), (177, 116717), (1121, 18429), (3363, 6143)]