20587215

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{124771}}^1$

素因数の和:124790

約数の個数: 16

約数和(自身を含む): 35934336

約数和(自身を除く): 15347121

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 124771, 374313, 623855, 1372481, 1871565, 4117443, 6862405, 20587215]

約数ペア:

[(1, 20587215), (3, 6862405), (5, 4117443), (11, 1871565), (15, 1372481), (33, 623855), (55, 374313), (165, 124771)]