20569016

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{197779}}^1$

素因数の和:197798

約数の個数: 16

約数和(自身を含む): 41533800

約数和(自身を除く): 20964784

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 197779, 395558, 791116, 1582232, 2571127, 5142254, 10284508, 20569016]

約数ペア:

[(1, 20569016), (2, 10284508), (4, 5142254), (8, 2571127), (13, 1582232), (26, 791116), (52, 395558), (104, 197779)]