20675565

素因数分解:

$3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{8669}}^1$

素因数の和:8733

約数の個数: 24

約数和(自身を含む): 36518040

約数和(自身を除く): 15842475

約数列:

[1, 3, 5, 9, 15, 45, 53, 159, 265, 477, 795, 2385, 8669, 26007, 43345, 78021, 130035, 390105, 459457, 1378371, 2297285, 4135113, 6891855, 20675565]

約数ペア:

[(1, 20675565), (3, 6891855), (5, 4135113), (9, 2297285), (15, 1378371), (45, 459457), (53, 390105), (159, 130035), (265, 78021), (477, 43345), (795, 26007), (2385, 8669)]