20951811

素因数分解:

$3^3\times {\mathrm{691}}^1\times {\mathrm{1123}}^1$

素因数の和:1823

約数の個数: 16

約数和(自身を含む): 31112320

約数和(自身を除く): 10160509

約数列:

[1, 3, 9, 27, 691, 1123, 2073, 3369, 6219, 10107, 18657, 30321, 775993, 2327979, 6983937, 20951811]

約数ペア:

[(1, 20951811), (3, 6983937), (9, 2327979), (27, 775993), (691, 30321), (1123, 18657), (2073, 10107), (3369, 6219)]