20729731

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{37}}^1\times {\mathrm{53}}^1$

素因数の和:163

約数の個数: 24

約数和(自身を含む): 24451632

約数和(自身を除く): 3721901

約数列:

[1, 11, 31, 37, 53, 341, 407, 583, 961, 1147, 1643, 1961, 10571, 12617, 18073, 21571, 35557, 50933, 60791, 391127, 560263, 668701, 1884521, 20729731]

約数ペア:

[(1, 20729731), (11, 1884521), (31, 668701), (37, 560263), (53, 391127), (341, 60791), (407, 50933), (583, 35557), (961, 21571), (1147, 18073), (1643, 12617), (1961, 10571)]