20425772

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{2161}}^1$

素因数の和:2321

約数の個数: 24

約数和(自身を含む): 38137680

約数和(自身を除く): 17711908

約数列:

[1, 2, 4, 17, 34, 68, 139, 278, 556, 2161, 2363, 4322, 4726, 8644, 9452, 36737, 73474, 146948, 300379, 600758, 1201516, 5106443, 10212886, 20425772]

約数ペア:

[(1, 20425772), (2, 10212886), (4, 5106443), (17, 1201516), (34, 600758), (68, 300379), (139, 146948), (278, 73474), (556, 36737), (2161, 9452), (2363, 8644), (4322, 4726)]