20860989993

素因数分解:

$3^3\times {\mathrm{29201}}^1\times {\mathrm{26459}}^1$

素因数の和:55669

約数の個数: 16

約数和(自身を含む): 30907396800

約数和(自身を除く): 10046406807

約数列:

[1, 3, 9, 27, 26459, 29201, 79377, 87603, 238131, 262809, 714393, 788427, 772629259, 2317887777, 6953663331, 20860989993]

約数ペア:

[(1, 20860989993), (3, 6953663331), (9, 2317887777), (27, 772629259), (26459, 788427), (29201, 714393), (79377, 262809), (87603, 238131)]