20103800

素因数分解:

$2^3\times 5^2\times {\mathrm{100519}}^1$

素因数の和:100535

約数の個数: 24

約数和(自身を含む): 46741800

約数和(自身を除く): 26638000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 100519, 201038, 402076, 502595, 804152, 1005190, 2010380, 2512975, 4020760, 5025950, 10051900, 20103800]

約数ペア:

[(1, 20103800), (2, 10051900), (4, 5025950), (5, 4020760), (8, 2512975), (10, 2010380), (20, 1005190), (25, 804152), (40, 502595), (50, 402076), (100, 201038), (200, 100519)]