20985038

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{21283}}^1$

素因数の和:21331

約数の個数: 16

約数和(自身を含む): 34480080

約数和(自身を除く): 13495042

約数列:

[1, 2, 17, 29, 34, 58, 493, 986, 21283, 42566, 361811, 617207, 723622, 1234414, 10492519, 20985038]

約数ペア:

[(1, 20985038), (2, 10492519), (17, 1234414), (29, 723622), (34, 617207), (58, 361811), (493, 42566), (986, 21283)]