20802091205

素因数分解:

$5^1\times 7^1\times {\mathrm{12713}}^1\times {\mathrm{46751}}^1$

素因数の和:59476

約数の個数: 16

約数和(自身を含む): 28531436544

約数和(自身を除く): 7729345339

約数列:

[1, 5, 7, 35, 12713, 46751, 63565, 88991, 233755, 327257, 444955, 1636285, 594345463, 2971727315, 4160418241, 20802091205]

約数ペア:

[(1, 20802091205), (5, 4160418241), (7, 2971727315), (35, 594345463), (12713, 1636285), (46751, 444955), (63565, 327257), (88991, 233755)]