20426161

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{859}}^1$

素因数の和:988

約数の個数: 16

約数和(自身を含む): 24217600

約数和(自身を除く): 3791439

約数列:

[1, 7, 43, 79, 301, 553, 859, 3397, 6013, 23779, 36937, 67861, 258559, 475027, 2918023, 20426161]

約数ペア:

[(1, 20426161), (7, 2918023), (43, 475027), (79, 258559), (301, 67861), (553, 36937), (859, 23779), (3397, 6013)]