19802820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{330047}}^1$

素因数の和:330059

約数の個数: 24

約数和(自身を含む): 55448064

約数和(自身を除く): 35645244

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 330047, 660094, 990141, 1320188, 1650235, 1980282, 3300470, 3960564, 4950705, 6600940, 9901410, 19802820]

約数ペア:

[(1, 19802820), (2, 9901410), (3, 6600940), (4, 4950705), (5, 3960564), (6, 3300470), (10, 1980282), (12, 1650235), (15, 1320188), (20, 990141), (30, 660094), (60, 330047)]