20951800

素因数分解:

$2^3\times 5^2\times {\mathrm{104759}}^1$

素因数の和:104775

約数の個数: 24

約数和(自身を含む): 48713400

約数和(自身を除く): 27761600

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 104759, 209518, 419036, 523795, 838072, 1047590, 2095180, 2618975, 4190360, 5237950, 10475900, 20951800]

約数ペア:

[(1, 20951800), (2, 10475900), (4, 5237950), (5, 4190360), (8, 2618975), (10, 2095180), (20, 1047590), (25, 838072), (40, 523795), (50, 419036), (100, 209518), (200, 104759)]