20398527

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{24371}}^1$

素因数の和:24411

約数の個数: 16

約数和(自身を含む): 31196160

約数和(自身を除く): 10797633

約数列:

[1, 3, 9, 27, 31, 93, 279, 837, 24371, 73113, 219339, 658017, 755501, 2266503, 6799509, 20398527]

約数ペア:

[(1, 20398527), (3, 6799509), (9, 2266503), (27, 755501), (31, 658017), (93, 219339), (279, 73113), (837, 24371)]