20008865

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{359}}^1$

素因数の和:592

約数の個数: 16

約数和(自身を含む): 24572160

約数和(自身を除く): 4563295

約数列:

[1, 5, 71, 157, 355, 359, 785, 1795, 11147, 25489, 55735, 56363, 127445, 281815, 4001773, 20008865]

約数ペア:

[(1, 20008865), (5, 4001773), (71, 281815), (157, 127445), (355, 56363), (359, 55735), (785, 25489), (1795, 11147)]