20915414

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{4817}}^1$

素因数の和:4999

約数の個数: 16

約数和(自身を含む): 33995808

約数和(自身を除く): 13080394

約数列:

[1, 2, 13, 26, 167, 334, 2171, 4342, 4817, 9634, 62621, 125242, 804439, 1608878, 10457707, 20915414]

約数ペア:

[(1, 20915414), (2, 10457707), (13, 1608878), (26, 804439), (167, 125242), (334, 62621), (2171, 9634), (4342, 4817)]