20147897

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{4937}}^1$

素因数の和:5008

約数の個数: 16

約数和(自身を含む): 25598592

約数和(自身を除く): 5450695

約数列:

[1, 7, 11, 53, 77, 371, 583, 4081, 4937, 34559, 54307, 261661, 380149, 1831627, 2878271, 20147897]

約数ペア:

[(1, 20147897), (7, 2878271), (11, 1831627), (53, 380149), (77, 261661), (371, 54307), (583, 34559), (4081, 4937)]