20323580

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{9497}}^1$

素因数の和:9613

約数の個数: 24

約数和(自身を含む): 43082928

約数和(自身を除く): 22759348

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 2140, 9497, 18994, 37988, 47485, 94970, 189940, 1016179, 2032358, 4064716, 5080895, 10161790, 20323580]

約数ペア:

[(1, 20323580), (2, 10161790), (4, 5080895), (5, 4064716), (10, 2032358), (20, 1016179), (107, 189940), (214, 94970), (428, 47485), (535, 37988), (1070, 18994), (2140, 9497)]