20291266821

素因数分解:

$3^1\times 7^1\times {\mathrm{6563}}^1\times {\mathrm{147227}}^1$

素因数の和:153800

約数の個数: 16

約数和(自身を含む): 30924946944

約数和(自身を除く): 10633680123

約数列:

[1, 3, 7, 21, 6563, 19689, 45941, 137823, 147227, 441681, 1030589, 3091767, 966250801, 2898752403, 6763755607, 20291266821]

約数ペア:

[(1, 20291266821), (3, 6763755607), (7, 2898752403), (21, 966250801), (6563, 3091767), (19689, 1030589), (45941, 441681), (137823, 147227)]