20500254

素因数分解:

$2^1\times 3^2\times {\mathrm{661}}^1\times {\mathrm{1723}}^1$

素因数の和:2392

約数の個数: 24

約数和(自身を含む): 44510232

約数和(自身を除く): 24009978

約数列:

[1, 2, 3, 6, 9, 18, 661, 1322, 1723, 1983, 3446, 3966, 5169, 5949, 10338, 11898, 15507, 31014, 1138903, 2277806, 3416709, 6833418, 10250127, 20500254]

約数ペア:

[(1, 20500254), (2, 10250127), (3, 6833418), (6, 3416709), (9, 2277806), (18, 1138903), (661, 31014), (1322, 15507), (1723, 11898), (1983, 10338), (3446, 5949), (3966, 5169)]