20404879

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{5743}}^1$

素因数の和:5790

約数の個数: 16

約数和(自身を含む): 24814080

約数和(自身を除く): 4409201

約数列:

[1, 11, 17, 19, 187, 209, 323, 3553, 5743, 63173, 97631, 109117, 1073941, 1200287, 1854989, 20404879]

約数ペア:

[(1, 20404879), (11, 1854989), (17, 1200287), (19, 1073941), (187, 109117), (209, 97631), (323, 63173), (3553, 5743)]