20873217

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{4001}}^1$

素因数の和:4088

約数の個数: 16

約数和(自身を含む): 29198592

約数和(自身を除く): 8325375

約数列:

[1, 3, 37, 47, 111, 141, 1739, 4001, 5217, 12003, 148037, 188047, 444111, 564141, 6957739, 20873217]

約数ペア:

[(1, 20873217), (3, 6957739), (37, 564141), (47, 444111), (111, 188047), (141, 148037), (1739, 12003), (4001, 5217)]