20286219

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{311}}^1\times {\mathrm{1279}}^1$

素因数の和:1610

約数の個数: 16

約数和(自身を含む): 28753920

約数和(自身を除く): 8467701

約数列:

[1, 3, 17, 51, 311, 933, 1279, 3837, 5287, 15861, 21743, 65229, 397769, 1193307, 6762073, 20286219]

約数ペア:

[(1, 20286219), (3, 6762073), (17, 1193307), (51, 397769), (311, 65229), (933, 21743), (1279, 15861), (3837, 5287)]