20317745

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{30553}}^1$

素因数の和:30584

約数の個数: 16

約数和(自身を含む): 29331840

約数和(自身を除く): 9014095

約数列:

[1, 5, 7, 19, 35, 95, 133, 665, 30553, 152765, 213871, 580507, 1069355, 2902535, 4063549, 20317745]

約数ペア:

[(1, 20317745), (5, 4063549), (7, 2902535), (19, 1069355), (35, 580507), (95, 213871), (133, 152765), (665, 30553)]