20701653

素因数分解:

$3^1\times 7^1\times {\mathrm{977}}^1\times {\mathrm{1009}}^1$

素因数の和:1996

約数の個数: 16

約数和(自身を含む): 31608960

約数和(自身を除く): 10907307

約数列:

[1, 3, 7, 21, 977, 1009, 2931, 3027, 6839, 7063, 20517, 21189, 985793, 2957379, 6900551, 20701653]

約数ペア:

[(1, 20701653), (3, 6900551), (7, 2957379), (21, 985793), (977, 21189), (1009, 20517), (2931, 7063), (3027, 6839)]