20856345

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{37579}}^1$

素因数の和:37624

約数の個数: 16

約数和(自身を含む): 34272960

約数和(自身を除く): 13416615

約数列:

[1, 3, 5, 15, 37, 111, 185, 555, 37579, 112737, 187895, 563685, 1390423, 4171269, 6952115, 20856345]

約数ペア:

[(1, 20856345), (3, 6952115), (5, 4171269), (15, 1390423), (37, 563685), (111, 187895), (185, 112737), (555, 37579)]