20480337

素因数分解:

$3^3\times {\mathrm{109}}^1\times {\mathrm{6959}}^1$

素因数の和:7077

約数の個数: 16

約数和(自身を含む): 30624000

約数和(自身を除く): 10143663

約数列:

[1, 3, 9, 27, 109, 327, 981, 2943, 6959, 20877, 62631, 187893, 758531, 2275593, 6826779, 20480337]

約数ペア:

[(1, 20480337), (3, 6826779), (9, 2275593), (27, 758531), (109, 187893), (327, 62631), (981, 20877), (2943, 6959)]