20694457

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{7561}}^1$

素因数の和:7608

約数の個数: 16

約数和(自身を含む): 26134272

約数和(自身を除く): 5439815

約数列:

[1, 7, 17, 23, 119, 161, 391, 2737, 7561, 52927, 128537, 173903, 899759, 1217321, 2956351, 20694457]

約数ペア:

[(1, 20694457), (7, 2956351), (17, 1217321), (23, 899759), (119, 173903), (161, 128537), (391, 52927), (2737, 7561)]