20941151

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{283}}^1$

素因数の和:363

約数の個数: 24

約数和(自身を含む): 27073152

約数和(自身を除く): 6132001

約数列:

[1, 7, 11, 31, 77, 217, 283, 341, 961, 1981, 2387, 3113, 6727, 8773, 10571, 21791, 61411, 73997, 96503, 271963, 675521, 1903741, 2991593, 20941151]

約数ペア:

[(1, 20941151), (7, 2991593), (11, 1903741), (31, 675521), (77, 271963), (217, 96503), (283, 73997), (341, 61411), (961, 21791), (1981, 10571), (2387, 8773), (3113, 6727)]