20848239

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{857}}^1$

素因数の和:936

約数の個数: 32

約数和(自身を含む): 33359040

約数和(自身を除く): 12510801

約数列:

[1, 3, 9, 17, 27, 51, 53, 153, 159, 459, 477, 857, 901, 1431, 2571, 2703, 7713, 8109, 14569, 23139, 24327, 43707, 45421, 131121, 136263, 393363, 408789, 772157, 1226367, 2316471, 6949413, 20848239]

約数ペア:

[(1, 20848239), (3, 6949413), (9, 2316471), (17, 1226367), (27, 772157), (51, 408789), (53, 393363), (153, 136263), (159, 131121), (459, 45421), (477, 43707), (857, 24327), (901, 23139), (1431, 14569), (2571, 8109), (2703, 7713)]