20443000

素因数分解:

$2^3\times 5^3\times {\mathrm{20443}}^1$

素因数の和:20464

約数の個数: 32

約数和(自身を含む): 47838960

約数和(自身を除く): 27395960

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 1000, 20443, 40886, 81772, 102215, 163544, 204430, 408860, 511075, 817720, 1022150, 2044300, 2555375, 4088600, 5110750, 10221500, 20443000]

約数ペア:

[(1, 20443000), (2, 10221500), (4, 5110750), (5, 4088600), (8, 2555375), (10, 2044300), (20, 1022150), (25, 817720), (40, 511075), (50, 408860), (100, 204430), (125, 163544), (200, 102215), (250, 81772), (500, 40886), (1000, 20443)]