20702419

素因数分解:

${\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{239}}^1$

素因数の和:402

約数の個数: 16

約数和(自身を含む): 22579200

約数和(自身を除く): 1876781

約数列:

[1, 19, 47, 97, 239, 893, 1843, 4541, 4559, 11233, 23183, 86621, 213427, 440477, 1089601, 20702419]

約数ペア:

[(1, 20702419), (19, 1089601), (47, 440477), (97, 213427), (239, 86621), (893, 23183), (1843, 11233), (4541, 4559)]