20596828

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{17107}}^1$

素因数の和:17161

約数の個数: 24

約数和(自身を含む): 42154112

約数和(自身を除く): 21557284

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 1204, 17107, 34214, 68428, 119749, 239498, 478996, 735601, 1471202, 2942404, 5149207, 10298414, 20596828]

約数ペア:

[(1, 20596828), (2, 10298414), (4, 5149207), (7, 2942404), (14, 1471202), (28, 735601), (43, 478996), (86, 239498), (172, 119749), (301, 68428), (602, 34214), (1204, 17107)]