20902706

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{25679}}^1$

素因数の和:25729

約数の個数: 16

約数和(自身を含む): 35130240

約数和(自身を除く): 14227534

約数列:

[1, 2, 11, 22, 37, 74, 407, 814, 25679, 51358, 282469, 564938, 950123, 1900246, 10451353, 20902706]

約数ペア:

[(1, 20902706), (2, 10451353), (11, 1900246), (22, 950123), (37, 564938), (74, 282469), (407, 51358), (814, 25679)]