20437365

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{337}}^1$

素因数の和:669

約数の個数: 32

約数和(自身を含む): 35433216

約数和(自身を除く): 14995851

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 311, 337, 933, 1011, 1555, 1685, 4043, 4381, 4665, 5055, 12129, 13143, 20215, 21905, 60645, 65715, 104807, 314421, 524035, 1362491, 1572105, 4087473, 6812455, 20437365]

約数ペア:

[(1, 20437365), (3, 6812455), (5, 4087473), (13, 1572105), (15, 1362491), (39, 524035), (65, 314421), (195, 104807), (311, 65715), (337, 60645), (933, 21905), (1011, 20215), (1555, 13143), (1685, 12129), (4043, 5055), (4381, 4665)]