20804464

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{76487}}^1$

素因数の和:76512

約数の個数: 20

約数和(自身を含む): 42680304

約数和(自身を除く): 21875840

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 76487, 152974, 305948, 611896, 1223792, 1300279, 2600558, 5201116, 10402232, 20804464]

約数ペア:

[(1, 20804464), (2, 10402232), (4, 5201116), (8, 2600558), (16, 1300279), (17, 1223792), (34, 611896), (68, 305948), (136, 152974), (272, 76487)]