20885640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{174047}}^1$

素因数の和:174061

約数の個数: 32

約数和(自身を含む): 62657280

約数和(自身を除く): 41771640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 174047, 348094, 522141, 696188, 870235, 1044282, 1392376, 1740470, 2088564, 2610705, 3480940, 4177128, 5221410, 6961880, 10442820, 20885640]

約数ペア:

[(1, 20885640), (2, 10442820), (3, 6961880), (4, 5221410), (5, 4177128), (6, 3480940), (8, 2610705), (10, 2088564), (12, 1740470), (15, 1392376), (20, 1044282), (24, 870235), (30, 696188), (40, 522141), (60, 348094), (120, 174047)]