20262193

素因数分解:

$7^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{691}}^1$

素因数の和:828

約数の個数: 16

約数和(自身を含む): 23915520

約数和(自身を除く): 3653327

約数列:

[1, 7, 59, 71, 413, 497, 691, 4189, 4837, 29323, 40769, 49061, 285383, 343427, 2894599, 20262193]

約数ペア:

[(1, 20262193), (7, 2894599), (59, 343427), (71, 285383), (413, 49061), (497, 40769), (691, 29323), (4189, 4837)]