20773168

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{99871}}^1$

素因数の和:99892

約数の個数: 20

約数和(自身を含む): 43344448

約数和(自身を除く): 22571280

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 99871, 199742, 399484, 798968, 1298323, 1597936, 2596646, 5193292, 10386584, 20773168]

約数ペア:

[(1, 20773168), (2, 10386584), (4, 5193292), (8, 2596646), (13, 1597936), (16, 1298323), (26, 798968), (52, 399484), (104, 199742), (208, 99871)]