20768615

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31231}}^1$

素因数の和:31262

約数の個数: 16

約数和(自身を含む): 29982720

約数和(自身を除く): 9214105

約数列:

[1, 5, 7, 19, 35, 95, 133, 665, 31231, 156155, 218617, 593389, 1093085, 2966945, 4153723, 20768615]

約数ペア:

[(1, 20768615), (5, 4153723), (7, 2966945), (19, 1093085), (35, 593389), (95, 218617), (133, 156155), (665, 31231)]