20069259

素因数分解:

$3^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{6329}}^1$

素因数の和:6490

約数の個数: 16

約数和(自身を含む): 30789120

約数和(自身を除く): 10719861

約数列:

[1, 3, 7, 21, 151, 453, 1057, 3171, 6329, 18987, 44303, 132909, 955679, 2867037, 6689753, 20069259]

約数ペア:

[(1, 20069259), (3, 6689753), (7, 2867037), (21, 955679), (151, 132909), (453, 44303), (1057, 18987), (3171, 6329)]