20859465

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{126421}}^1$

素因数の和:126440

約数の個数: 16

約数和(自身を含む): 36409536

約数和(自身を除く): 15550071

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 126421, 379263, 632105, 1390631, 1896315, 4171893, 6953155, 20859465]

約数ペア:

[(1, 20859465), (3, 6953155), (5, 4171893), (11, 1896315), (15, 1390631), (33, 632105), (55, 379263), (165, 126421)]