20021359

素因数分解:

${\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{449}}^1$

素因数の和:570

約数の個数: 16

約数和(自身を含む): 22096800

約数和(自身を除く): 2075441

約数列:

[1, 17, 43, 61, 449, 731, 1037, 2623, 7633, 19307, 27389, 44591, 328219, 465613, 1177727, 20021359]

約数ペア:

[(1, 20021359), (17, 1177727), (43, 465613), (61, 328219), (449, 44591), (731, 27389), (1037, 19307), (2623, 7633)]