20479360208

素因数分解:

$2^4\times {\mathrm{223}}^1\times {\mathrm{5739731}}^1$

素因数の和:5739962

約数の個数: 20

約数和(自身を含む): 39856699008

約数和(自身を除く): 19377338800

約数列:

[1, 2, 4, 8, 16, 223, 446, 892, 1784, 3568, 5739731, 11479462, 22958924, 45917848, 91835696, 1279960013, 2559920026, 5119840052, 10239680104, 20479360208]

約数ペア:

[(1, 20479360208), (2, 10239680104), (4, 5119840052), (8, 2559920026), (16, 1279960013), (223, 91835696), (446, 45917848), (892, 22958924), (1784, 11479462), (3568, 5739731)]