2012774864

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{1245529}}^1$

素因数の和:1245638

約数の個数: 20

約数和(自身を含む): 3938365860

約数和(自身を除く): 1925590996

約数列:

[1, 2, 4, 8, 16, 101, 202, 404, 808, 1616, 1245529, 2491058, 4982116, 9964232, 19928464, 125798429, 251596858, 503193716, 1006387432, 2012774864]

約数ペア:

[(1, 2012774864), (2, 1006387432), (4, 503193716), (8, 251596858), (16, 125798429), (101, 19928464), (202, 9964232), (404, 4982116), (808, 2491058), (1616, 1245529)]