20729488

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{99661}}^1$

素因数の和:99682

約数の個数: 20

約数和(自身を含む): 43253308

約数和(自身を除く): 22523820

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 99661, 199322, 398644, 797288, 1295593, 1594576, 2591186, 5182372, 10364744, 20729488]

約数ペア:

[(1, 20729488), (2, 10364744), (4, 5182372), (8, 2591186), (13, 1594576), (16, 1295593), (26, 797288), (52, 398644), (104, 199322), (208, 99661)]