20821490

素因数分解:

$2^1\times 5^1\times {\mathrm{1433}}^1\times {\mathrm{1453}}^1$

素因数の和:2893

約数の個数: 16

約数和(自身を含む): 37530648

約数和(自身を除く): 16709158

約数列:

[1, 2, 5, 10, 1433, 1453, 2866, 2906, 7165, 7265, 14330, 14530, 2082149, 4164298, 10410745, 20821490]

約数ペア:

[(1, 20821490), (2, 10410745), (5, 4164298), (10, 2082149), (1433, 14530), (1453, 14330), (2866, 7265), (2906, 7165)]