20266700

素因数分解:

$2^2\times 5^2\times {\mathrm{202667}}^1$

素因数の和:202681

約数の個数: 18

約数和(自身を含む): 43978956

約数和(自身を除く): 23712256

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 202667, 405334, 810668, 1013335, 2026670, 4053340, 5066675, 10133350, 20266700]

約数ペア:

[(1, 20266700), (2, 10133350), (4, 5066675), (5, 4053340), (10, 2026670), (20, 1013335), (25, 810668), (50, 405334), (100, 202667)]