20011215

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{190583}}^1$

素因数の和:190598

約数の個数: 16

約数和(自身を含む): 36592128

約数和(自身を除く): 16580913

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 190583, 571749, 952915, 1334081, 2858745, 4002243, 6670405, 20011215]

約数ペア:

[(1, 20011215), (3, 6670405), (5, 4002243), (7, 2858745), (15, 1334081), (21, 952915), (35, 571749), (105, 190583)]