20208867

素因数分解:

$3^1\times 7^1\times {\mathrm{907}}^1\times {\mathrm{1061}}^1$

素因数の和:1978

約数の個数: 16

約数和(自身を含む): 30857472

約数和(自身を除く): 10648605

約数列:

[1, 3, 7, 21, 907, 1061, 2721, 3183, 6349, 7427, 19047, 22281, 962327, 2886981, 6736289, 20208867]

約数ペア:

[(1, 20208867), (3, 6736289), (7, 2886981), (21, 962327), (907, 22281), (1061, 19047), (2721, 7427), (3183, 6349)]