20348845940

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{2333}}^1\times {\mathrm{4001}}^1$

素因数の和:6452

約数の個数: 48

約数和(自身を含む): 43153886160

約数和(自身を除く): 22805040220

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 2333, 4001, 4666, 8002, 9332, 11665, 16004, 20005, 23330, 40010, 46660, 80020, 254297, 436109, 508594, 872218, 1017188, 1271485, 1744436, 2180545, 2542970, 4361090, 5085940, 8722180, 9334333, 18668666, 37337332, 46671665, 93343330, 186686660, 1017442297, 2034884594, 4069769188, 5087211485, 10174422970, 20348845940]

約数ペア:

[(1, 20348845940), (2, 10174422970), (4, 5087211485), (5, 4069769188), (10, 2034884594), (20, 1017442297), (109, 186686660), (218, 93343330), (436, 46671665), (545, 37337332), (1090, 18668666), (2180, 9334333), (2333, 8722180), (4001, 5085940), (4666, 4361090), (8002, 2542970), (9332, 2180545), (11665, 1744436), (16004, 1271485), (20005, 1017188), (23330, 872218), (40010, 508594), (46660, 436109), (80020, 254297)]