20167791

素因数分解:

$3^1\times 7^1\times {\mathrm{673}}^1\times {\mathrm{1427}}^1$

素因数の和:2110

約数の個数: 16

約数和(自身を含む): 30799104

約数和(自身を除く): 10631313

約数列:

[1, 3, 7, 21, 673, 1427, 2019, 4281, 4711, 9989, 14133, 29967, 960371, 2881113, 6722597, 20167791]

約数ペア:

[(1, 20167791), (3, 6722597), (7, 2881113), (21, 960371), (673, 29967), (1427, 14133), (2019, 9989), (4281, 4711)]