20144385

素因数分解:

$3^2\times 5^1\times {\mathrm{449}}^1\times {\mathrm{997}}^1$

素因数の和:1457

約数の個数: 24

約数和(自身を含む): 35029800

約数和(自身を除く): 14885415

約数列:

[1, 3, 5, 9, 15, 45, 449, 997, 1347, 2245, 2991, 4041, 4985, 6735, 8973, 14955, 20205, 44865, 447653, 1342959, 2238265, 4028877, 6714795, 20144385]

約数ペア:

[(1, 20144385), (3, 6714795), (5, 4028877), (9, 2238265), (15, 1342959), (45, 447653), (449, 44865), (997, 20205), (1347, 14955), (2245, 8973), (2991, 6735), (4041, 4985)]