20509113

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{3301}}^1$

素因数の和:3432

約数の個数: 16

約数和(自身を含む): 29057600

約数和(自身を除く): 8548487

約数列:

[1, 3, 19, 57, 109, 327, 2071, 3301, 6213, 9903, 62719, 188157, 359809, 1079427, 6836371, 20509113]

約数ペア:

[(1, 20509113), (3, 6836371), (19, 1079427), (57, 359809), (109, 188157), (327, 62719), (2071, 9903), (3301, 6213)]