20983605

素因数分解:

$3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{10211}}^1$

素因数の和:10356

約数の個数: 16

約数和(自身を含む): 33822144

約数和(自身を除く): 12838539

約数列:

[1, 3, 5, 15, 137, 411, 685, 2055, 10211, 30633, 51055, 153165, 1398907, 4196721, 6994535, 20983605]

約数ペア:

[(1, 20983605), (3, 6994535), (5, 4196721), (15, 1398907), (137, 153165), (411, 51055), (685, 30633), (2055, 10211)]