20021043

素因数分解:

$3^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{6959}}^1$

素因数の和:7106

約数の個数: 16

約数和(自身を含む): 30735360

約数和(自身を除く): 10714317

約数列:

[1, 3, 7, 21, 137, 411, 959, 2877, 6959, 20877, 48713, 146139, 953383, 2860149, 6673681, 20021043]

約数ペア:

[(1, 20021043), (3, 6673681), (7, 2860149), (21, 953383), (137, 146139), (411, 48713), (959, 20877), (2877, 6959)]