20901852

素因数分解:

$2^2\times 3^2\times {\mathrm{580607}}^1$

素因数の和:580617

約数の個数: 18

約数和(自身を含む): 52835328

約数和(自身を除く): 31933476

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 580607, 1161214, 1741821, 2322428, 3483642, 5225463, 6967284, 10450926, 20901852]

約数ペア:

[(1, 20901852), (2, 10450926), (3, 6967284), (4, 5225463), (6, 3483642), (9, 2322428), (12, 1741821), (18, 1161214), (36, 580607)]