20320335

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{21503}}^1$

素因数の和:21524

約数の個数: 32

約数和(自身を含む): 41287680

約数和(自身を除く): 20967345

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 21503, 64509, 107515, 150521, 193527, 322545, 451563, 580581, 752605, 967635, 1354689, 2257815, 2902905, 4064067, 6773445, 20320335]

約数ペア:

[(1, 20320335), (3, 6773445), (5, 4064067), (7, 2902905), (9, 2257815), (15, 1354689), (21, 967635), (27, 752605), (35, 580581), (45, 451563), (63, 322545), (105, 193527), (135, 150521), (189, 107515), (315, 64509), (945, 21503)]