20796021

素因数分解:

$3^4\times {\mathrm{73}}^1\times {\mathrm{3517}}^1$

素因数の和:3602

約数の個数: 20

約数和(自身を含む): 31500172

約数和(自身を除く): 10704151

約数列:

[1, 3, 9, 27, 73, 81, 219, 657, 1971, 3517, 5913, 10551, 31653, 94959, 256741, 284877, 770223, 2310669, 6932007, 20796021]

約数ペア:

[(1, 20796021), (3, 6932007), (9, 2310669), (27, 770223), (73, 284877), (81, 256741), (219, 94959), (657, 31653), (1971, 10551), (3517, 5913)]