20452744

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{196661}}^1$

素因数の和:196680

約数の個数: 16

約数和(自身を含む): 41299020

約数和(自身を除く): 20846276

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 196661, 393322, 786644, 1573288, 2556593, 5113186, 10226372, 20452744]

約数ペア:

[(1, 20452744), (2, 10226372), (4, 5113186), (8, 2556593), (13, 1573288), (26, 786644), (52, 393322), (104, 196661)]