20011335

素因数分解:

$3^1\times 5^1\times {\mathrm{509}}^1\times {\mathrm{2621}}^1$

素因数の和:3138

約数の個数: 16

約数和(自身を含む): 32093280

約数和(自身を除く): 12081945

約数列:

[1, 3, 5, 15, 509, 1527, 2545, 2621, 7635, 7863, 13105, 39315, 1334089, 4002267, 6670445, 20011335]

約数ペア:

[(1, 20011335), (3, 6670445), (5, 4002267), (15, 1334089), (509, 39315), (1527, 13105), (2545, 7863), (2621, 7635)]