20228799344

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{491}}^1\times {\mathrm{198073}}^1$

素因数の和:198585

約数の個数: 40

約数和(自身を含む): 42294345072

約数和(自身を除く): 22065545728

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 491, 982, 1964, 3928, 6383, 7856, 12766, 25532, 51064, 102128, 198073, 396146, 792292, 1584584, 2574949, 3169168, 5149898, 10299796, 20599592, 41199184, 97253843, 194507686, 389015372, 778030744, 1264299959, 1556061488, 2528599918, 5057199836, 10114399672, 20228799344]

約数ペア:

[(1, 20228799344), (2, 10114399672), (4, 5057199836), (8, 2528599918), (13, 1556061488), (16, 1264299959), (26, 778030744), (52, 389015372), (104, 194507686), (208, 97253843), (491, 41199184), (982, 20599592), (1964, 10299796), (3928, 5149898), (6383, 3169168), (7856, 2574949), (12766, 1584584), (25532, 792292), (51064, 396146), (102128, 198073)]