39805724

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{20023}}^1$

素因数の和:20105

約数の個数: 24

約数和(自身を含む): 80736768

約数和(自身を除く): 40931044

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1988, 20023, 40046, 80092, 140161, 280322, 560644, 1421633, 2843266, 5686532, 9951431, 19902862, 39805724]

約数ペア:

[(1, 39805724), (2, 19902862), (4, 9951431), (7, 5686532), (14, 2843266), (28, 1421633), (71, 560644), (142, 280322), (284, 140161), (497, 80092), (994, 40046), (1988, 20023)]