20596475

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{331}}^1$

素因数の和:491

約数の個数: 24

約数和(自身を含む): 27170880

約数和(自身を除く): 6574405

約数列:

[1, 5, 19, 25, 95, 131, 331, 475, 655, 1655, 2489, 3275, 6289, 8275, 12445, 31445, 43361, 62225, 157225, 216805, 823859, 1084025, 4119295, 20596475]

約数ペア:

[(1, 20596475), (5, 4119295), (19, 1084025), (25, 823859), (95, 216805), (131, 157225), (331, 62225), (475, 43361), (655, 31445), (1655, 12445), (2489, 8275), (3275, 6289)]