20337345

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{21521}}^1$

素因数の和:21542

約数の個数: 32

約数和(自身を含む): 41322240

約数和(自身を除く): 20984895

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 21521, 64563, 107605, 150647, 193689, 322815, 451941, 581067, 753235, 968445, 1355823, 2259705, 2905335, 4067469, 6779115, 20337345]

約数ペア:

[(1, 20337345), (3, 6779115), (5, 4067469), (7, 2905335), (9, 2259705), (15, 1355823), (21, 968445), (27, 753235), (35, 581067), (45, 451941), (63, 322815), (105, 193689), (135, 150647), (189, 107605), (315, 64563), (945, 21521)]