20236820

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{11369}}^1$

素因数の和:11467

約数の個数: 24

約数和(自身を含む): 42978600

約数和(自身を除く): 22741780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 11369, 22738, 45476, 56845, 113690, 227380, 1011841, 2023682, 4047364, 5059205, 10118410, 20236820]

約数ペア:

[(1, 20236820), (2, 10118410), (4, 5059205), (5, 4047364), (10, 2023682), (20, 1011841), (89, 227380), (178, 113690), (356, 56845), (445, 45476), (890, 22738), (1780, 11369)]