20224897

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{239}}^1$

素因数の和:421

約数の個数: 24

約数和(自身を含む): 25937280

約数和(自身を除く): 5712383

約数列:

[1, 7, 11, 49, 77, 157, 239, 539, 1099, 1673, 1727, 2629, 7693, 11711, 12089, 18403, 37523, 84623, 128821, 262661, 412753, 1838627, 2889271, 20224897]

約数ペア:

[(1, 20224897), (7, 2889271), (11, 1838627), (49, 412753), (77, 262661), (157, 128821), (239, 84623), (539, 37523), (1099, 18403), (1673, 12089), (1727, 11711), (2629, 7693)]