20565968

素因数分解:

$2^4\times {\mathrm{1051}}^1\times {\mathrm{1223}}^1$

素因数の和:2282

約数の個数: 20

約数和(自身を含む): 39917088

約数和(自身を除く): 19351120

約数列:

[1, 2, 4, 8, 16, 1051, 1223, 2102, 2446, 4204, 4892, 8408, 9784, 16816, 19568, 1285373, 2570746, 5141492, 10282984, 20565968]

約数ペア:

[(1, 20565968), (2, 10282984), (4, 5141492), (8, 2570746), (16, 1285373), (1051, 19568), (1223, 16816), (2102, 9784), (2446, 8408), (4204, 4892)]