20005925924

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{701}}^1\times {\mathrm{419693}}^1$

素因数の和:420415

約数の個数: 24

約数和(自身を含む): 37122773688

約数和(自身を除く): 17116847764

約数列:

[1, 2, 4, 17, 34, 68, 701, 1402, 2804, 11917, 23834, 47668, 419693, 839386, 1678772, 7134781, 14269562, 28539124, 294204793, 588409586, 1176819172, 5001481481, 10002962962, 20005925924]

約数ペア:

[(1, 20005925924), (2, 10002962962), (4, 5001481481), (17, 1176819172), (34, 588409586), (68, 294204793), (701, 28539124), (1402, 14269562), (2804, 7134781), (11917, 1678772), (23834, 839386), (47668, 419693)]