20205125872

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{74283551}}^1$

素因数の和:74283576

約数の個数: 20

約数和(自身を含む): 41450222016

約数和(自身を除く): 21245096144

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 74283551, 148567102, 297134204, 594268408, 1188536816, 1262820367, 2525640734, 5051281468, 10102562936, 20205125872]

約数ペア:

[(1, 20205125872), (2, 10102562936), (4, 5051281468), (8, 2525640734), (16, 1262820367), (17, 1188536816), (34, 594268408), (68, 297134204), (136, 148567102), (272, 74283551)]