20900139

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{1279}}^1$

素因数の和:1714

約数の個数: 16

約数和(自身を含む): 30105600

約数和(自身を除く): 9205461

約数列:

[1, 3, 13, 39, 419, 1257, 1279, 3837, 5447, 16341, 16627, 49881, 535901, 1607703, 6966713, 20900139]

約数ペア:

[(1, 20900139), (3, 6966713), (13, 1607703), (39, 535901), (419, 49881), (1257, 16627), (1279, 16341), (3837, 5447)]