20387318

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{85661}}^1$

素因数の和:85687

約数の個数: 16

約数和(自身を含む): 37005984

約数和(自身を除く): 16618666

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 85661, 171322, 599627, 1199254, 1456237, 2912474, 10193659, 20387318]

約数ペア:

[(1, 20387318), (2, 10193659), (7, 2912474), (14, 1456237), (17, 1199254), (34, 599627), (119, 171322), (238, 85661)]