20246709

素因数分解:

$3^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{5573}}^1$

素因数の和:5756

約数の個数: 16

約数和(自身を含む): 31036032

約数和(自身を除く): 10789323

約数列:

[1, 3, 7, 21, 173, 519, 1211, 3633, 5573, 16719, 39011, 117033, 964129, 2892387, 6748903, 20246709]

約数ペア:

[(1, 20246709), (3, 6748903), (7, 2892387), (21, 964129), (173, 117033), (519, 39011), (1211, 16719), (3633, 5573)]