20645240305

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{39079}}^1$

素因数の和:39253

約数の個数: 32

約数和(自身を含む): 26786995200

約数和(自身を除く): 6141754895

約数列:

[1, 5, 19, 67, 83, 95, 335, 415, 1273, 1577, 5561, 6365, 7885, 27805, 39079, 105659, 195395, 528295, 742501, 2618293, 3243557, 3712505, 13091465, 16217785, 49747567, 61627583, 217318319, 248737835, 308137915, 1086591595, 4129048061, 20645240305]

約数ペア:

[(1, 20645240305), (5, 4129048061), (19, 1086591595), (67, 308137915), (83, 248737835), (95, 217318319), (335, 61627583), (415, 49747567), (1273, 16217785), (1577, 13091465), (5561, 3712505), (6365, 3243557), (7885, 2618293), (27805, 742501), (39079, 528295), (105659, 195395)]