20669766

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{264997}}^1$

素因数の和:265015

約数の個数: 16

約数和(自身を含む): 44519664

約数和(自身を除く): 23849898

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 264997, 529994, 794991, 1589982, 3444961, 6889922, 10334883, 20669766]

約数ペア:

[(1, 20669766), (2, 10334883), (3, 6889922), (6, 3444961), (13, 1589982), (26, 794991), (39, 529994), (78, 264997)]