20004687

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{241}}^1\times {\mathrm{401}}^1$

素因数の和:671

約数の個数: 24

約数和(自身を含む): 30352608

約数和(自身を除く): 10347921

約数列:

[1, 3, 9, 23, 69, 207, 241, 401, 723, 1203, 2169, 3609, 5543, 9223, 16629, 27669, 49887, 83007, 96641, 289923, 869769, 2222743, 6668229, 20004687]

約数ペア:

[(1, 20004687), (3, 6668229), (9, 2222743), (23, 869769), (69, 289923), (207, 96641), (241, 83007), (401, 49887), (723, 27669), (1203, 16629), (2169, 9223), (3609, 5543)]