20397533859

素因数分解:

$3^3\times {\mathrm{971}}^1\times {\mathrm{778027}}^1$

素因数の和:779007

約数の個数: 16

約数和(自身を含む): 30249728640

約数和(自身を除く): 9852194781

約数列:

[1, 3, 9, 27, 971, 2913, 8739, 26217, 778027, 2334081, 7002243, 21006729, 755464217, 2266392651, 6799177953, 20397533859]

約数ペア:

[(1, 20397533859), (3, 6799177953), (9, 2266392651), (27, 755464217), (971, 21006729), (2913, 7002243), (8739, 2334081), (26217, 778027)]