20565306

素因数分解:

$2^1\times 3^3\times {\mathrm{380839}}^1$

素因数の和:380850

約数の個数: 16

約数和(自身を含む): 45700800

約数和(自身を除く): 25135494

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 380839, 761678, 1142517, 2285034, 3427551, 6855102, 10282653, 20565306]

約数ペア:

[(1, 20565306), (2, 10282653), (3, 6855102), (6, 3427551), (9, 2285034), (18, 1142517), (27, 761678), (54, 380839)]