20656449

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{1523}}^1$

素因数の和:1677

約数の個数: 24

約数和(自身を含む): 32808672

約数和(自身を除く): 12152223

約数列:

[1, 3, 9, 11, 33, 99, 137, 411, 1233, 1507, 1523, 4521, 4569, 13563, 13707, 16753, 50259, 150777, 208651, 625953, 1877859, 2295161, 6885483, 20656449]

約数ペア:

[(1, 20656449), (3, 6885483), (9, 2295161), (11, 1877859), (33, 625953), (99, 208651), (137, 150777), (411, 50259), (1233, 16753), (1507, 13707), (1523, 13563), (4521, 4569)]