22491580

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{26153}}^1$

素因数の和:26205

約数の個数: 24

約数和(自身を含む): 48332592

約数和(自身を除く): 25841012

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 26153, 52306, 104612, 130765, 261530, 523060, 1124579, 2249158, 4498316, 5622895, 11245790, 22491580]

約数ペア:

[(1, 22491580), (2, 11245790), (4, 5622895), (5, 4498316), (10, 2249158), (20, 1124579), (43, 523060), (86, 261530), (172, 130765), (215, 104612), (430, 52306), (860, 26153)]