20076945

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{1787}}^1$

素因数の和:1909

約数の個数: 32

約数和(自身を含む): 37075968

約数和(自身を除く): 16999023

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 107, 321, 535, 749, 1605, 1787, 2247, 3745, 5361, 8935, 11235, 12509, 26805, 37527, 62545, 187635, 191209, 573627, 956045, 1338463, 2868135, 4015389, 6692315, 20076945]

約数ペア:

[(1, 20076945), (3, 6692315), (5, 4015389), (7, 2868135), (15, 1338463), (21, 956045), (35, 573627), (105, 191209), (107, 187635), (321, 62545), (535, 37527), (749, 26805), (1605, 12509), (1787, 11235), (2247, 8935), (3745, 5361)]