20309553

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{757}}^1$

素因数の和:1045

約数の個数: 24

約数和(自身を含む): 32163456

約数和(自身を除く): 11853903

約数列:

[1, 3, 9, 11, 33, 99, 271, 757, 813, 2271, 2439, 2981, 6813, 8327, 8943, 24981, 26829, 74943, 205147, 615441, 1846323, 2256617, 6769851, 20309553]

約数ペア:

[(1, 20309553), (3, 6769851), (9, 2256617), (11, 1846323), (33, 615441), (99, 205147), (271, 74943), (757, 26829), (813, 24981), (2271, 8943), (2439, 8327), (2981, 6813)]