20986393

素因数分解:

${\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{331}}^1$

素因数の和:468

約数の個数: 16

約数和(自身を含む): 22947840

約数和(自身を除く): 1961447

約数列:

[1, 19, 47, 71, 331, 893, 1349, 3337, 6289, 15557, 23501, 63403, 295583, 446519, 1104547, 20986393]

約数ペア:

[(1, 20986393), (19, 1104547), (47, 446519), (71, 295583), (331, 63403), (893, 23501), (1349, 15557), (3337, 6289)]