20484015

素因数分解:

$3^1\times 5^1\times {\mathrm{311}}^1\times {\mathrm{4391}}^1$

素因数の和:4710

約数の個数: 16

約数和(自身を含む): 32887296

約数和(自身を除く): 12403281

約数列:

[1, 3, 5, 15, 311, 933, 1555, 4391, 4665, 13173, 21955, 65865, 1365601, 4096803, 6828005, 20484015]

約数ペア:

[(1, 20484015), (3, 6828005), (5, 4096803), (15, 1365601), (311, 65865), (933, 21955), (1555, 13173), (4391, 4665)]