20443787

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{7247}}^1$

素因数の和:7298

約数の個数: 16

約数和(自身を含む): 25976832

約数和(自身を除く): 5533045

約数列:

[1, 7, 13, 31, 91, 217, 403, 2821, 7247, 50729, 94211, 224657, 659477, 1572599, 2920541, 20443787]

約数ペア:

[(1, 20443787), (7, 2920541), (13, 1572599), (31, 659477), (91, 224657), (217, 94211), (403, 50729), (2821, 7247)]