20218585905

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{21395329}}^1$

素因数の和:21395350

約数の個数: 32

約数和(自身を含む): 41079033600

約数和(自身を除く): 20860447695

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 21395329, 64185987, 106976645, 149767303, 192557961, 320929935, 449301909, 577673883, 748836515, 962789805, 1347905727, 2246509545, 2888369415, 4043717181, 6739528635, 20218585905]

約数ペア:

[(1, 20218585905), (3, 6739528635), (5, 4043717181), (7, 2888369415), (9, 2246509545), (15, 1347905727), (21, 962789805), (27, 748836515), (35, 577673883), (45, 449301909), (63, 320929935), (105, 192557961), (135, 149767303), (189, 106976645), (315, 64185987), (945, 21395329)]