20565645

素因数分解:

$3^1\times 5^1\times {\mathrm{1049}}^1\times {\mathrm{1307}}^1$

素因数の和:2364

約数の個数: 16

約数和(自身を含む): 32961600

約数和(自身を除く): 12395955

約数列:

[1, 3, 5, 15, 1049, 1307, 3147, 3921, 5245, 6535, 15735, 19605, 1371043, 4113129, 6855215, 20565645]

約数ペア:

[(1, 20565645), (3, 6855215), (5, 4113129), (15, 1371043), (1049, 19605), (1307, 15735), (3147, 6535), (3921, 5245)]