20946680

素因数分解:

$2^3\times 5^1\times {\mathrm{523667}}^1$

素因数の和:523678

約数の個数: 16

約数和(自身を含む): 47130120

約数和(自身を除く): 26183440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 523667, 1047334, 2094668, 2618335, 4189336, 5236670, 10473340, 20946680]

約数ペア:

[(1, 20946680), (2, 10473340), (4, 5236670), (5, 4189336), (8, 2618335), (10, 2094668), (20, 1047334), (40, 523667)]