20996868405

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{451109}}^1$

素因数の和:451253

約数の個数: 32

約数和(自身を含む): 35078313600

約数和(自身を除く): 14081445195

約数列:

[1, 3, 5, 15, 29, 87, 107, 145, 321, 435, 535, 1605, 3103, 9309, 15515, 46545, 451109, 1353327, 2255545, 6766635, 13082161, 39246483, 48268663, 65410805, 144805989, 196232415, 241343315, 724029945, 1399791227, 4199373681, 6998956135, 20996868405]

約数ペア:

[(1, 20996868405), (3, 6998956135), (5, 4199373681), (15, 1399791227), (29, 724029945), (87, 241343315), (107, 196232415), (145, 144805989), (321, 65410805), (435, 48268663), (535, 39246483), (1605, 13082161), (3103, 6766635), (9309, 2255545), (15515, 1353327), (46545, 451109)]