20263960

素因数分解:

$2^3\times 5^1\times {\mathrm{506599}}^1$

素因数の和:506610

約数の個数: 16

約数和(自身を含む): 45594000

約数和(自身を除く): 25330040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 506599, 1013198, 2026396, 2532995, 4052792, 5065990, 10131980, 20263960]

約数ペア:

[(1, 20263960), (2, 10131980), (4, 5065990), (5, 4052792), (8, 2532995), (10, 2026396), (20, 1013198), (40, 506599)]