20565105

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{5419}}^1$

素因数の和:5461

約数の個数: 32

約数和(自身を含む): 37463040

約数和(自身を除く): 16897935

約数列:

[1, 3, 5, 11, 15, 23, 33, 55, 69, 115, 165, 253, 345, 759, 1265, 3795, 5419, 16257, 27095, 59609, 81285, 124637, 178827, 298045, 373911, 623185, 894135, 1371007, 1869555, 4113021, 6855035, 20565105]

約数ペア:

[(1, 20565105), (3, 6855035), (5, 4113021), (11, 1869555), (15, 1371007), (23, 894135), (33, 623185), (55, 373911), (69, 298045), (115, 178827), (165, 124637), (253, 81285), (345, 59609), (759, 27095), (1265, 16257), (3795, 5419)]