20736081

素因数分解:

$3^4\times {\mathrm{59}}^1\times {\mathrm{4339}}^1$

素因数の和:4410

約数の個数: 20

約数和(自身を含む): 31508400

約数和(自身を除く): 10772319

約数列:

[1, 3, 9, 27, 59, 81, 177, 531, 1593, 4339, 4779, 13017, 39051, 117153, 256001, 351459, 768003, 2304009, 6912027, 20736081]

約数ペア:

[(1, 20736081), (3, 6912027), (9, 2304009), (27, 768003), (59, 351459), (81, 256001), (177, 117153), (531, 39051), (1593, 13017), (4339, 4779)]