20831565

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{32297}}^1$

素因数の和:32348

約数の個数: 16

約数和(自身を含む): 34106688

約数和(自身を除く): 13275123

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 32297, 96891, 161485, 484455, 1388771, 4166313, 6943855, 20831565]

約数ペア:

[(1, 20831565), (3, 6943855), (5, 4166313), (15, 1388771), (43, 484455), (129, 161485), (215, 96891), (645, 32297)]